7x+9=15x-4

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



7x+9=15x-4

We move all terms to the left:

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

We get rid of parentheses

7x-15x+4+9=0

We add all the numbers together, and all the variables

-8x+13=0

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

-8x=-13

x=-13/-8

x=1+5/8

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