4a-5=-20

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Solution for 4a-5=-20 equation: 



4a-5=-20

We move all terms to the left:

4a-5-(-20)=0

We add all the numbers together, and all the variables

4a+15=0

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

4a=-15

a=-15/4

a=-3+3/4

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