7x-30=2x-10

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Solution for 7x-30=2x-10 equation: 



7x-30=2x-10

We move all terms to the left:

7x-30-(2x-10)=0

We get rid of parentheses

7x-2x+10-30=0

We add all the numbers together, and all the variables

5x-20=0

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

5x=20

x=20/5

x=4

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