Match each equation in the left column with its solution in the right column.
1. 8(x + 5) = 48
2. 5(2x – 3) = 5
3. 4(x – 8) = 4
4. 3(3x + 1) = 30
A) x = 1
B) x = 3
C) x = 2
D) x = 9
~Please help and explain if you can. I just can't seem to wrap my head around how to do it.~
Stacey Warren - Expert brainly.com
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Just solve each equation and then match
That's my problem. I can never get the equation right. I always mess up somewhere in the process.
Or substitute each answer instead of x for example:
and so on
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Okay.. So how does (1+5) become 40? That's the part I don't understand.
Since you have bracket like this: 8(1+5)
You multiply the 8 with the numbers in the bracket
8*1=8 and 8*5=40
So since you have the numbers 8 and 40 which are both positive you will get+8+40 which is equal to +48
Consider this rule so it can help you:
You just the multiply the outside number with the numbers in the bracket
Till here did you understand?
Oh. Okay that makes since. Can you help me with second one? Just so I can make sure I've got it?
We will try solving x
The equation is: 5(2x – 3) = 5
Ok so try to get rid of the brackets as I showed you before.
Ok. Don't I have to move the X first though?
Just multiply the outside number with the numbers and variables in the bracket
Consider also this rule:\[a(bx+c)=abx+ac\]
No way that I try to do It is right :/
OK, Calm down I will help you
And 5 multiply with -3 is equal to -15
So you have 10x-15=5
Now try solving it
OH! So you multiply 5 by 2, x, and negative 3?
And just to make sure. 4(x – 8) = 4 is D and 3(3x + 1) = 30 is B? Correct?
If you have solved any equation, you should replace your answer with the variable and perform the calculations to get it.
For example replace the 2 you have got with x and try calculating it and if you get 5 which is the answer:5(2(2)-3)=5 then that means that you have solved the equation correctly.