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-199=2x+7(-x-22)
We move all terms to the left:
-199-(2x+7(-x-22))=0
We add all the numbers together, and all the variables
-(2x+7(-1x-22))-199=0
We calculate terms in parentheses: -(2x+7(-1x-22)), so:We get rid of parentheses
2x+7(-1x-22)
We multiply parentheses
2x-7x-154
We add all the numbers together, and all the variables
-5x-154
Back to the equation:
-(-5x-154)
5x+154-199=0
We add all the numbers together, and all the variables
5x-45=0
We move all terms containing x to the left, all other terms to the right
5x=45
x=45/5
x=9
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