2-4(a+5)=-10

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Solution for 2-4(a+5)=-10 equation: 



2-4(a+5)=-10

We move all terms to the left:

2-4(a+5)-(-10)=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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