170+40x=80+70x

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Solution for 170+40x=80+70x equation: 



170+40x=80+70x

We move all terms to the left:

170+40x-(80+70x)=0

We add all the numbers together, and all the variables

40x-(70x+80)+170=0

We get rid of parentheses

40x-70x-80+170=0

We add all the numbers together, and all the variables

-30x+90=0

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

-30x=-90

x=-90/-30

x=+3

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