3a-12+a+30=180

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Solution for 3a-12+a+30=180 equation:



3a-12+a+30=180
We move all terms to the left:
3a-12+a+30-(180)=0
We add all the numbers together, and all the variables
4a-162=0
We move all terms containing a to the left, all other terms to the right
4a=162
a=162/4
a=40+1/2

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