43=2a+7

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Solution for 43=2a+7 equation: 



43=2a+7

We move all terms to the left:

43-(2a+7)=0

We get rid of parentheses

-2a-7+43=0

We add all the numbers together, and all the variables

-2a+36=0

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

-2a=-36

a=-36/-2

a=+18

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