3x+1x-21=180

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Solution for 3x+1x-21=180 equation: 



3x+1x-21=180

We move all terms to the left:

3x+1x-21-(180)=0

We add all the numbers together, and all the variables

4x-201=0

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

4x=201

x=201/4

x=50+1/4

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