23-2a=7

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Solution for 23-2a=7 equation: 



23-2a=7

We move all terms to the left:

23-2a-(7)=0

We add all the numbers together, and all the variables

-2a+16=0

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

-2a=-16

a=-16/-2

a=+8

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