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28=-4(x+1)
We move all terms to the left:
28-(-4(x+1))=0
We calculate terms in parentheses: -(-4(x+1)), so:We get rid of parentheses
-4(x+1)
We multiply parentheses
-4x-4
Back to the equation:
-(-4x-4)
4x+4+28=0
We add all the numbers together, and all the variables
4x+32=0
We move all terms containing x to the left, all other terms to the right
4x=-32
x=-32/4
x=-8
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