123+2x+x+31.5=180

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Solution for 123+2x+x+31.5=180 equation: 



123+2x+x+31.5=180

We move all terms to the left:

123+2x+x+31.5-(180)=0

We add all the numbers together, and all the variables

3x-25.5=0

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

3x=25.5

x=25.5/3

x=8+1/2

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