4x-30=40+90

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Solution for 4x-30=40+90 equation: 



4x-30=40+90

We move all terms to the left:

4x-30-(40+90)=0

We add all the numbers together, and all the variables

4x-30-130=0

We add all the numbers together, and all the variables

4x-160=0

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

4x=160

x=160/4

x=40

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