3x+30=50-X

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Solution for 3x+30=50-X equation: 



3x+30=50-x

We move all terms to the left:

3x+30-(50-x)=0

We add all the numbers together, and all the variables

3x-(-1x+50)+30=0

We get rid of parentheses

3x+1x-50+30=0

We add all the numbers together, and all the variables

4x-20=0

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

4x=20

x=20/4

x=5

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