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0.1(x+250)=-3(4-x)
We move all terms to the left:
0.1(x+250)-(-3(4-x))=0
We add all the numbers together, and all the variables
0.1(x+250)-(-3(-1x+4))=0
We multiply parentheses
0.1x-(-3(-1x+4))+25=0
We calculate terms in parentheses: -(-3(-1x+4)), so:We get rid of parentheses
-3(-1x+4)
We multiply parentheses
3x-12
Back to the equation:
-(3x-12)
0.1x-3x+12+25=0
We add all the numbers together, and all the variables
-2.9x+37=0
We move all terms containing x to the left, all other terms to the right
-2.9x=-37
x=-37/-2.9
x=12+1/1.31818181818
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