3(3-0.4x)=18

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Solution for 3(3-0.4x)=18 equation: 



3(3-0.4x)=18

We move all terms to the left:

3(3-0.4x)-(18)=0

We add all the numbers together, and all the variables

3(-0.4x+3)-18=0

We multiply parentheses

0x+9-18=0

We add all the numbers together, and all the variables

x-9=0

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

x=9

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