9x-4(-x+7)=-16=9x

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Solution for 9x-4(-x+7)=-16=9x equation:



9x-4(-x+7)=-16=9x
We move all terms to the left:
9x-4(-x+7)-(-16)=0
We add all the numbers together, and all the variables
9x-4(-1x+7)-(-16)=0
We add all the numbers together, and all the variables
9x-4(-1x+7)+16=0
We multiply parentheses
9x+4x-28+16=0
We add all the numbers together, and all the variables
13x-12=0
We move all terms containing x to the left, all other terms to the right
13x=12
x=12/13
x=12/13

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