70x-21=7(10x-3)

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Solution for 70x-21=7(10x-3) equation: 



70x-21=7(10x-3)

We move all terms to the left:

70x-21-(7(10x-3))=0



We calculate terms in parentheses: -(7(10x-3)), so:

7(10x-3)

We multiply parentheses

70x-21

Back to the equation:

-(70x-21)



We get rid of parentheses

70x-70x+21-21=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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