45=3x-45

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Solution for 45=3x-45 equation: 



45=3x-45

We move all terms to the left:

45-(3x-45)=0

We get rid of parentheses

-3x+45+45=0

We add all the numbers together, and all the variables

-3x+90=0

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

-3x=-90

x=-90/-3

x=+30

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