3a+13=-56

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Solution for 3a+13=-56 equation: 



3a+13=-56

We move all terms to the left:

3a+13-(-56)=0

We add all the numbers together, and all the variables

3a+69=0

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

3a=-69

a=-69/3

a=-23

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