0.2(x+30)-0.04(x-20)=13.2

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Solution for 0.2(x+30)-0.04(x-20)=13.2 equation: 



0.2(x+30)-0.04(x-20)=13.2

We move all terms to the left:

0.2(x+30)-0.04(x-20)-(13.2)=0

We add all the numbers together, and all the variables

0.2(x+30)-0.04(x-20)-13.2=0

We multiply parentheses

0.2x-0.04x+6+0.8-13.2=0

We add all the numbers together, and all the variables

0.16x-6.4=0

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

0.16x=6.4

x=6.4/0.16

x=40

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