4(a-5)=-12

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Solution for 4(a-5)=-12 equation: 



4(a-5)=-12

We move all terms to the left:

4(a-5)-(-12)=0

We add all the numbers together, and all the variables

4(a-5)+12=0

We multiply parentheses

4a-20+12=0

We add all the numbers together, and all the variables

4a-8=0

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

4a=8

a=8/4

a=2

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