25=-7+4(a+5)

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Solution for 25=-7+4(a+5) equation: 



25=-7+4(a+5)

We move all terms to the left:

25-(-7+4(a+5))=0



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

-7+4(a+5)

determiningTheFunctionDomain
4(a+5)-7

We multiply parentheses

4a+20-7

We add all the numbers together, and all the variables

4a+13

Back to the equation:

-(4a+13)



We get rid of parentheses

-4a-13+25=0

We add all the numbers together, and all the variables

-4a+12=0

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

-4a=-12

a=-12/-4

a=+3

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