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0.8(4-x)=0.4(x+6)
We move all terms to the left:
0.8(4-x)-(0.4(x+6))=0
We add all the numbers together, and all the variables
0.8(-1x+4)-(0.4(x+6))=0
We multiply parentheses
-0.8x-(0.4(x+6))+3.2=0
We calculate terms in parentheses: -(0.4(x+6)), so:We get rid of parentheses
0.4(x+6)
We multiply parentheses
0.4x+2.4
Back to the equation:
-(0.4x+2.4)
-0.8x-0.4x-2.4+3.2=0
We add all the numbers together, and all the variables
-1.2x+0.8=0
We move all terms containing x to the left, all other terms to the right
-1.2x=-0.8
x=-0.8/-1.2
x=0.8/1.2
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