32=20-2a

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Solution for 32=20-2a equation: 



32=20-2a

We move all terms to the left:

32-(20-2a)=0

We add all the numbers together, and all the variables

-(-2a+20)+32=0

We get rid of parentheses

2a-20+32=0

We add all the numbers together, and all the variables

2a+12=0

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

2a=-12

a=-12/2

a=-6

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