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4x-19=-3(x+9)
We move all terms to the left:
4x-19-(-3(x+9))=0
We calculate terms in parentheses: -(-3(x+9)), so:We get rid of parentheses
-3(x+9)
We multiply parentheses
-3x-27
Back to the equation:
-(-3x-27)
4x+3x+27-19=0
We add all the numbers together, and all the variables
7x+8=0
We move all terms containing x to the left, all other terms to the right
7x=-8
x=-8/7
x=-1+1/7
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