70(3x+10)=80(3x-7)

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Solution for 70(3x+10)=80(3x-7) equation: 



70(3x+10)=80(3x-7)

We move all terms to the left:

70(3x+10)-(80(3x-7))=0

We multiply parentheses

210x-(80(3x-7))+700=0



We calculate terms in parentheses: -(80(3x-7)), so:

80(3x-7)

We multiply parentheses

240x-560

Back to the equation:

-(240x-560)



We get rid of parentheses

210x-240x+560+700=0

We add all the numbers together, and all the variables

-30x+1260=0

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

-30x=-1260

x=-1260/-30

x=+42

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