4a+40=-5(a+1)

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Solution for 4a+40=-5(a+1) equation: 



4a+40=-5(a+1)

We move all terms to the left:

4a+40-(-5(a+1))=0



We calculate terms in parentheses: -(-5(a+1)), so:

-5(a+1)

We multiply parentheses

-5a-5

Back to the equation:

-(-5a-5)



We get rid of parentheses

4a+5a+5+40=0

We add all the numbers together, and all the variables

9a+45=0

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

9a=-45

a=-45/9

a=-5

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