0.3(x+20)-0.03(x-10)=11.7

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Solution for 0.3(x+20)-0.03(x-10)=11.7 equation: 



0.3(x+20)-0.03(x-10)=11.7

We move all terms to the left:

0.3(x+20)-0.03(x-10)-(11.7)=0

We add all the numbers together, and all the variables

0.3(x+20)-0.03(x-10)-11.7=0

We multiply parentheses

0.3x-0.03x+6+0.3-11.7=0

We add all the numbers together, and all the variables

0.27x-5.4=0

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

0.27x=5.4

x=5.4/0.27

x=20

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