90+40x=20+60x

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Solution for 90+40x=20+60x equation: 



90+40x=20+60x

We move all terms to the left:

90+40x-(20+60x)=0

We add all the numbers together, and all the variables

40x-(60x+20)+90=0

We get rid of parentheses

40x-60x-20+90=0

We add all the numbers together, and all the variables

-20x+70=0

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

-20x=-70

x=-70/-20

x=3+1/2

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