10+2a=-13

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Solution for 10+2a=-13 equation: 



10+2a=-13

We move all terms to the left:

10+2a-(-13)=0

We add all the numbers together, and all the variables

2a+23=0

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

2a=-23

a=-23/2

a=-11+1/2

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