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9(3-x)=-4(2x+3)
We move all terms to the left:
9(3-x)-(-4(2x+3))=0
We add all the numbers together, and all the variables
9(-1x+3)-(-4(2x+3))=0
We multiply parentheses
-9x-(-4(2x+3))+27=0
We calculate terms in parentheses: -(-4(2x+3)), so:We get rid of parentheses
-4(2x+3)
We multiply parentheses
-8x-12
Back to the equation:
-(-8x-12)
-9x+8x+12+27=0
We add all the numbers together, and all the variables
-1x+39=0
We move all terms containing x to the left, all other terms to the right
-x=-39
x=-39/-1
x=+39
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