7x-2x=15-4x

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Solution for 7x-2x=15-4x equation: 



7x-2x=15-4x

We move all terms to the left:

7x-2x-(15-4x)=0

We add all the numbers together, and all the variables

7x-2x-(-4x+15)=0

We add all the numbers together, and all the variables

5x-(-4x+15)=0

We get rid of parentheses

5x+4x-15=0

We add all the numbers together, and all the variables

9x-15=0

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

9x=15

x=15/9

x=1+2/3

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