-2a+21=35

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Solution for -2a+21=35 equation:



-2a+21=35
We move all terms to the left:
-2a+21-(35)=0
We add all the numbers together, and all the variables
-2a-14=0
We move all terms containing a to the left, all other terms to the right
-2a=14
a=14/-2
a=-7

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