The 'answer' is usually the number for 'y' that makes the whole statement true.
Let's look for it. Actually, the way this works, I'll look for it, while you just watch:
-4y + 7 = 35y - 6
Add 4y to each side:
7 = 39y - 6
Add 6 to each side:
13 = 39y
Divide each side by 39:
13/39 = 1/3 = y
I think we've found it.
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If: x+18 = 2x Then: x = 18
That type of math problem is called an algebraic equation.
It is not an equation but an algebraic expression that can be simplified to: 12b-5a
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It is not an equation because it's an algebraic expression