30x-7=2x-7

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Solution for 30x-7=2x-7 equation: 



30x-7=2x-7

We move all terms to the left:

30x-7-(2x-7)=0

We get rid of parentheses

30x-2x+7-7=0

We add all the numbers together, and all the variables

28x=0

x=0/28

x=0

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