120-70=89-xx=

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Solution for 120-70=89-xx= equation: 



120-70=89-xx=

We move all terms to the left:

120-70-(89-xx)=0

We add all the numbers together, and all the variables

-(-xx+89)+120-70=0

We add all the numbers together, and all the variables

-(-xx+89)+50=0

We get rid of parentheses

xx-89+50=0

We add all the numbers together, and all the variables

xx-39=0

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

xx=39

x=39/1

x=39

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