(70-2x)=(210-42x)

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Solution for (70-2x)=(210-42x) equation: 



(70-2x)=(210-42x)

We move all terms to the left:

(70-2x)-((210-42x))=0

We add all the numbers together, and all the variables

(-2x+70)-((-42x+210))=0

We get rid of parentheses

-2x-((-42x+210))+70=0



We calculate terms in parentheses: -((-42x+210)), so:

(-42x+210)

We get rid of parentheses

-42x+210

Back to the equation:

-(-42x+210)



We get rid of parentheses

-2x+42x-210+70=0

We add all the numbers together, and all the variables

40x-140=0

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

40x=140

x=140/40

x=3+1/2

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