3x+45=18x-30

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Solution for 3x+45=18x-30 equation: 



3x+45=18x-30

We move all terms to the left:

3x+45-(18x-30)=0

We get rid of parentheses

3x-18x+30+45=0

We add all the numbers together, and all the variables

-15x+75=0

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

-15x=-75

x=-75/-15

x=+5

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