3x-7=8x+(-9)

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Solution for 3x-7=8x+(-9) equation: 



3x-7=8x+(-9)

We move all terms to the left:

3x-7-(8x+(-9))=0



We calculate terms in parentheses: -(8x+(-9)), so:

8x+(-9)

We add all the numbers together, and all the variables

8x-9

Back to the equation:

-(8x-9)



We get rid of parentheses

3x-8x+9-7=0

We add all the numbers together, and all the variables

-5x+2=0

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

-5x=-2

x=-2/-5

x=2/5

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