5a-7=-57

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Solution for 5a-7=-57 equation: 



5a-7=-57

We move all terms to the left:

5a-7-(-57)=0

We add all the numbers together, and all the variables

5a+50=0

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

5a=-50

a=-50/5

a=-10

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