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0.5x-0.5(2x-1)=-0.3(x+4)
We move all terms to the left:
0.5x-0.5(2x-1)-(-0.3(x+4))=0
We multiply parentheses
0.5x-x-(-0.3(x+4))+0.5=0
We calculate terms in parentheses: -(-0.3(x+4)), so:We add all the numbers together, and all the variables
-0.3(x+4)
We multiply parentheses
-0.3x-1.2
Back to the equation:
-(-0.3x-1.2)
-0.5x-(-0.3x-1.2)+0.5=0
We get rid of parentheses
-0.5x+0.3x+1.2+0.5=0
We add all the numbers together, and all the variables
-0.2x+1.7=0
We move all terms containing x to the left, all other terms to the right
-0.2x=-1.7
x=-1.7/-0.2
x=8+0.1/0.2
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