7x-(3x-10)=30

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Solution for 7x-(3x-10)=30 equation: 



7x-(3x-10)=30

We move all terms to the left:

7x-(3x-10)-(30)=0

We get rid of parentheses

7x-3x+10-30=0

We add all the numbers together, and all the variables

4x-20=0

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

4x=20

x=20/4

x=5

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