A2-10a+42=17

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Solution for A2-10a+42=17 equation: 



2-10A+42=17

We move all terms to the left:

2-10A+42-(17)=0

We add all the numbers together, and all the variables

-10A+27=0

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

-10A=-27

A=-27/-10

A=2+7/10

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