SOLUTION: 3(4r-8)=36 is the equation and I need to find what r equals, how do I find the answer?
Algebra
->
Inverses
-> SOLUTION: 3(4r-8)=36 is the equation and I need to find what r equals, how do I find the answer?
Log On
Algebra: Inverse operations for addition and multiplication, reciprocals
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Inverses
Question 958327
:
3(4r-8)=36 is the equation and I need to find what r equals, how do I find the answer?
Found 2 solutions by
MathLover1, fion6002
:
Answer by
MathLover1(20849)
(
Show Source
):
You can
put this solution on YOUR website!
....simplify, divide both sides by
Answer by
fion6002(19)
(
Show Source
):
You can
put this solution on YOUR website!
3(4r-8)=36
Expand:
12r - 24 = 36
12r - 24 + 24 = 36 + 24
12r = 60
12r / 12 = 60 / 12
r = 5
Or divide by 3 from both side
4r - 8 = 12
4r - 8 + 8 = 12 + 8
4r = 20
4r / 4 = 20 / 4
r = 5