7x=3(x-10)

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



7x=3(x-10)

We move all terms to the left:

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



We calculate terms in parentheses: -(3(x-10)), so:

3(x-10)

We multiply parentheses

3x-30

Back to the equation:

-(3x-30)



We get rid of parentheses

7x-3x+30=0

We add all the numbers together, and all the variables

4x+30=0

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

4x=-30

x=-30/4

x=-7+1/2

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