18x-30=45+3x

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



18x-30=45+3x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

18x-3x-45-30=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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