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(0.2x+1)/2=-0.8
We move all terms to the left:
(0.2x+1)/2-(-0.8)=0
We add all the numbers together, and all the variables
(0.2x+1)/2+0.8=0
We multiply all the terms by the denominator
(0.2x+1)+(0.8)*2=0
We add all the numbers together, and all the variables
(0.2x+1)+1.6=0
We get rid of parentheses
0.2x+1+1.6=0
We add all the numbers together, and all the variables
0.2x+2.6=0
We move all terms containing x to the left, all other terms to the right
0.2x=-2.6
x=-2.6/0.2
x=-13
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