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-18+38=-4(x+2)
We move all terms to the left:
-18+38-(-4(x+2))=0
We add all the numbers together, and all the variables
-(-4(x+2))+20=0
We calculate terms in parentheses: -(-4(x+2)), so:We get rid of parentheses
-4(x+2)
We multiply parentheses
-4x-8
Back to the equation:
-(-4x-8)
4x+8+20=0
We add all the numbers together, and all the variables
4x+28=0
We move all terms containing x to the left, all other terms to the right
4x=-28
x=-28/4
x=-7
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