3(2-0.4x)=81

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Solution for 3(2-0.4x)=81 equation: 



3(2-0.4x)=81

We move all terms to the left:

3(2-0.4x)-(81)=0

We add all the numbers together, and all the variables

3(-0.4x+2)-81=0

We multiply parentheses

0x+6-81=0

We add all the numbers together, and all the variables

x-75=0

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

x=75

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