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what is it on?
How do you get 1 7/8
Do you mean how did 1 7/8 come out of no where?
So you can add, multiply, divide, subtract any number on an equation as long as it is is on both sides.
So technically you could just multiply both sides by 5 if you wanted.
so that's how they got 1 7/8???
never mind I think we are thinking about different parts
so they just combined the positive 4 and the negative 5 7/8
to get -1 7/8
it's not negative sign tho
the 5 7/8 was negative
isn't it just subtraction?
yeah, pretty much, but since the negative is bigger the answer is negative
So, you have 8 = d - 1 7/8 You want to get d by itself, right? So how would you get the 1 7/8 to the other side of the equal sign?
um inverse property of multiplication??
Basically you do opposites You see it's - 1 7/8 The opposite of multiplication is division, for example So what's the opposite of subtraction (Since you're subtracting in the problem d - 1 7/8)
Right, so you would add 1 7/8 to both sides
wait how did you get 1 7/8?
Because the original was 8 = d - 1 7/8 When you try to get the d by itself, you add 1 7/8, because that's the number on the same side of the variable d
If that made any sense
But isn't the original equation: 8= 4 + d - 5 7/8?
Omg, I didn't see that part! Yes it is. What the author did was a conversion. Would you know how to convert 4 into a fraction over 8?
Basically 4 = ? --- 8
Hint: Cross multiply those two numbers to get the answer
ok I got 47/2 that's probably way off...
Remember 4 also equals 4/1, so basically its 4/1 = ?/8. So lets figure out the denominator. 1 times what number equals 8?