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6.5=-4(x+1)
We move all terms to the left:
6.5-(-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+6.5=0
We add all the numbers together, and all the variables
4x+10.5=0
We move all terms containing x to the left, all other terms to the right
4x=-10.5
x=-10.5/4
x=-2+1/1.6
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