15a-30=180

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Solution for 15a-30=180 equation: 



15a-30=180

We move all terms to the left:

15a-30-(180)=0

We add all the numbers together, and all the variables

15a-210=0

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

15a=210

a=210/15

a=14

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