7a-10+9a+25=90

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Solution for 7a-10+9a+25=90 equation: 



7a-10+9a+25=90

We move all terms to the left:

7a-10+9a+25-(90)=0

We add all the numbers together, and all the variables

16a-75=0

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

16a=75

a=75/16

a=4+11/16

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