3a+7+2a+11=90

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Solution for 3a+7+2a+11=90 equation: 



3a+7+2a+11=90

We move all terms to the left:

3a+7+2a+11-(90)=0

We add all the numbers together, and all the variables

5a-72=0

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

5a=72

a=72/5

a=14+2/5

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