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

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



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

We move all terms to the left:

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

We multiply parentheses

7x-(3(x+10))-70=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-30-70=0

We add all the numbers together, and all the variables

4x-100=0

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

4x=100

x=100/4

x=25

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