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0.4(10-5x)=-2
We move all terms to the left:
0.4(10-5x)-(-2)=0
We add all the numbers together, and all the variables
0.4(-5x+10)-(-2)=0
We add all the numbers together, and all the variables
0.4(-5x+10)+2=0
We multiply parentheses
-2x+4+2=0
We add all the numbers together, and all the variables
-2x+6=0
We move all terms containing x to the left, all other terms to the right
-2x=-6
x=-6/-2
x=+3
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