2a-10=-30

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Solution for 2a-10=-30 equation: 



2a-10=-30

We move all terms to the left:

2a-10-(-30)=0

We add all the numbers together, and all the variables

2a+20=0

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

2a=-20

a=-20/2

a=-10

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