3a-7+7a-9=180

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Solution for 3a-7+7a-9=180 equation: 



3a-7+7a-9=180

We move all terms to the left:

3a-7+7a-9-(180)=0

We add all the numbers together, and all the variables

10a-196=0

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

10a=196

a=196/10

a=19+3/5

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