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\[\frac{ 4+20x }{ 4 }\]
Simplify ?

ZeHanz
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Divide both 4 and 20x by 4

twitch
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but 4 doesnt goin to 4

ZeHanz
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It does: suppose you want to check a division, e.g. 18/3=6.
Then you know 18 = 6*3.
Now 4/4 = ???, then 4 * ???= 4.
What number is ???

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1

ZeHanz
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No, because 4*1=4 and not 4

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1

ZeHanz
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OK, so 4/4 = 1
Now you have to do: 20x/4

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5

ZeHanz
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You lost x

twitch
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5x

ZeHanz
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Done!

twitch
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so thats my final answer are my final equation

ZeHanz
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You have 4 and 5x, so the final answer is... 4+5x

twitch
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how bout this one
\[\frac{ 1 }{ 2 }(46a)\]

ZeHanz
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Use the distributive property: a(bc)=abac

twitch
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I dont knoe the distributie Prop

ZeHanz
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It tells you how to get rid of the brackets!
So you have to multiply 1/2 with 4 and also multiply 1/2 with 6a

twitch
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okay I see

ZeHanz
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What do you get?

twitch
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how do I multiply a fraction in to a number

ZeHanz
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Just forget the "" for a while.
1/2 * 4 means you have four halves. How many is that?

twitch
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2 wholes

ZeHanz
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OK. Now remember that if you multiply a negative number with a positive number, the outcome is negative.
So: 1/2 * 4 = ...

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2

ZeHanz
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Right!, now the other one...

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so for the other half it be3 the i would be left with(2 3) and my answer be 5

ZeHanz
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You have to multiply, so 1/2 * 6a = ...

twitch
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6 isn't negative that was the subtraction sign

ZeHanz
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OK, so save it for later. So: 1/2 * 6a = ...

twitch
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3

ZeHanz
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You lost the a

twitch
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3a ugh srry:p

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so then my equation would be(2  3a)

twitch
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the my answer should be 5a right

ZeHanz
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No, 2 hasn't got an a with it, so you can't add it to 3a

ZeHanz
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So it would be 2+3a

ZeHanz
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 = +

twitch
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so it be 1a right

ZeHanz
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No, it would be 2+3a.
This cannot be written shorter!
If it was 2a+3a this would be 1a or a.

twitch
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oh okay got it