.60x+.40(100-x)=1.2

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Solution for .60x+.40(100-x)=1.2 equation: 



.60x+.40(100-x)=1.2

We move all terms to the left:

.60x+.40(100-x)-(1.2)=0

We add all the numbers together, and all the variables

.60x+.40(-1x+100)-(1.2)=0

We add all the numbers together, and all the variables

.60x+.40(-1x+100)-1.2=0

We multiply parentheses

.60x-0.4x+40-1.2=0

We add all the numbers together, and all the variables

0.2x+38.8=0

We move all terms containing x to the left, all other terms to the right

0.2x=-38.8

x=-38.8/0.2

x=-193+0.2/0.2

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