3x-4=7x+15

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Solution for 3x-4=7x+15 equation: 



3x-4=7x+15

We move all terms to the left:

3x-4-(7x+15)=0

We get rid of parentheses

3x-7x-15-4=0

We add all the numbers together, and all the variables

-4x-19=0

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

-4x=19

x=19/-4

x=-4+3/4

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