-45=4-7(5a-8)

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Solution for -45=4-7(5a-8) equation: 



-45=4-7(5a-8)

We move all terms to the left:

-45-(4-7(5a-8))=0



We calculate terms in parentheses: -(4-7(5a-8)), so:

4-7(5a-8)

determiningTheFunctionDomain
-7(5a-8)+4

We multiply parentheses

-35a+56+4

We add all the numbers together, and all the variables

-35a+60

Back to the equation:

-(-35a+60)



We get rid of parentheses

35a-60-45=0

We add all the numbers together, and all the variables

35a-105=0

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

35a=105

a=105/35

a=3

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