3(x-70)=30

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Solution for 3(x-70)=30 equation: 



3(x-70)=30

We move all terms to the left:

3(x-70)-(30)=0

We multiply parentheses

3x-210-30=0

We add all the numbers together, and all the variables

3x-240=0

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

3x=240

x=240/3

x=80

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