4x+12+90+30=90

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Solution for 4x+12+90+30=90 equation: 



4x+12+90+30=90

We move all terms to the left:

4x+12+90+30-(90)=0

We add all the numbers together, and all the variables

4x+42=0

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

4x=-42

x=-42/4

x=-10+1/2

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