-4(10-a)-9=-4

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Solution for -4(10-a)-9=-4 equation: 



-4(10-a)-9=-4

We move all terms to the left:

-4(10-a)-9-(-4)=0

We add all the numbers together, and all the variables

-4(-1a+10)-9-(-4)=0

We add all the numbers together, and all the variables

-4(-1a+10)-5=0

We multiply parentheses

4a-40-5=0

We add all the numbers together, and all the variables

4a-45=0

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

4a=45

a=45/4

a=11+1/4

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