43=9-2a

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Solution for 43=9-2a equation: 



43=9-2a

We move all terms to the left:

43-(9-2a)=0

We add all the numbers together, and all the variables

-(-2a+9)+43=0

We get rid of parentheses

2a-9+43=0

We add all the numbers together, and all the variables

2a+34=0

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

2a=-34

a=-34/2

a=-17

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