-2a-5=-13

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Solution for -2a-5=-13 equation: 



-2a-5=-13

We move all terms to the left:

-2a-5-(-13)=0

We add all the numbers together, and all the variables

-2a+8=0

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

-2a=-8

a=-8/-2

a=+4

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