45=8x+13x=

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Solution for 45=8x+13x= equation: 



45=8x+13x=

We move all terms to the left:

45-(8x+13x)=0

We add all the numbers together, and all the variables

-(+21x)+45=0

We get rid of parentheses

-21x+45=0

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

-21x=-45

x=-45/-21

x=2+1/7

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