125=6+7(1+4a)

Solution for 125=6+7(1+4a) equation:

125=6+7(1+4a)

We move all terms to the left:

125-(6+7(1+4a))=0

We add all the numbers together, and all the variables

-(6+7(4a+1))+125=0


We calculate terms in parentheses: -(6+7(4a+1)), so:

6+7(4a+1)

determiningTheFunctionDomain
7(4a+1)+6

We multiply parentheses

28a+7+6

We add all the numbers together, and all the variables

28a+13

Back to the equation:

-(28a+13)


We get rid of parentheses

-28a-13+125=0

We add all the numbers together, and all the variables

-28a+112=0

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

-28a=-112

a=-112/-28

a=+4