5(3h-9)-12=12-7(1h-9)

Solution for 5(3h-9)-12=12-7(1h-9) equation:

5(3h-9)-12=12-7(1h-9)

We move all terms to the left:

5(3h-9)-12-(12-7(1h-9))=0

We add all the numbers together, and all the variables

5(3h-9)-(12-7(h-9))-12=0

We multiply parentheses

15h-(12-7(h-9))-45-12=0


We calculate terms in parentheses: -(12-7(h-9)), so:

12-7(h-9)

determiningTheFunctionDomain
-7(h-9)+12

We multiply parentheses

-7h+63+12

We add all the numbers together, and all the variables

-7h+75

Back to the equation:

-(-7h+75)


We add all the numbers together, and all the variables

15h-(-7h+75)-57=0

We get rid of parentheses

15h+7h-75-57=0

We add all the numbers together, and all the variables

22h-132=0

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

22h=132

h=132/22

h=6