2.5a+a=91

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Solution for 2.5a+a=91 equation: 



2.5a+a=91

We move all terms to the left:

2.5a+a-(91)=0

We add all the numbers together, and all the variables

3.5a-91=0

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

3.5a=91

a=91/3.5

a=26

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