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4x+8=-4(2x+5)
We move all terms to the left:
4x+8-(-4(2x+5))=0
We calculate terms in parentheses: -(-4(2x+5)), so:We get rid of parentheses
-4(2x+5)
We multiply parentheses
-8x-20
Back to the equation:
-(-8x-20)
4x+8x+20+8=0
We add all the numbers together, and all the variables
12x+28=0
We move all terms containing x to the left, all other terms to the right
12x=-28
x=-28/12
x=-2+1/3
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