6+7x=-15+4x

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Solution for 6+7x=-15+4x equation: 



6+7x=-15+4x

We move all terms to the left:

6+7x-(-15+4x)=0

We add all the numbers together, and all the variables

7x-(4x-15)+6=0

We get rid of parentheses

7x-4x+15+6=0

We add all the numbers together, and all the variables

3x+21=0

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

3x=-21

x=-21/3

x=-7

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