7x+15=4x-9

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Solution for 7x+15=4x-9 equation: 



7x+15=4x-9

We move all terms to the left:

7x+15-(4x-9)=0

We get rid of parentheses

7x-4x+9+15=0

We add all the numbers together, and all the variables

3x+24=0

We move all terms containing x to the left, all other terms to the right

3x=-24

x=-24/3

x=-8

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