9a-16=7a-1

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Solution for 9a-16=7a-1 equation: 



9a-16=7a-1

We move all terms to the left:

9a-16-(7a-1)=0

We get rid of parentheses

9a-7a+1-16=0

We add all the numbers together, and all the variables

2a-15=0

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

2a=15

a=15/2

a=7+1/2

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