90+6x-12=3x+30

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Solution for 90+6x-12=3x+30 equation: 



90+6x-12=3x+30

We move all terms to the left:

90+6x-12-(3x+30)=0

We add all the numbers together, and all the variables

6x-(3x+30)+78=0

We get rid of parentheses

6x-3x-30+78=0

We add all the numbers together, and all the variables

3x+48=0

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

3x=-48

x=-48/3

x=-16

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