3a-7=270

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Solution for 3a-7=270 equation: 



3a-7=270

We move all terms to the left:

3a-7-(270)=0

We add all the numbers together, and all the variables

3a-277=0

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

3a=277

a=277/3

a=92+1/3

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