Question

What is the value of r in the equation 4r − 8 = 5r + 12?

−20
−1
1
20

Answer 1

OK get r on 1 side -r-8=12

Answer 2

Solve for r 8+12=20

Answer 3

I don't get it giv me a sec

Answer 4

\[4r−8=5r+12\]
Step 1: Subtract 5r from both sides.
\[4r−8−5r=5r+12−5r\]
\[−r−8=12\]
Step 2: Add 8 to both sides.
\[−r−8+8=12+8\]
\[−r=20\]
Step 3: Divide both sides by -1.
\[\frac{ -r }{ -1 } = \frac{ 20 }{ -1 }\]
r=?
@77777jeannie77777

Answer 5

-20?

Answer 6

Yes that's correct

Answer 7

Yes it's -20

Answer 8

yay thanks lol im going to give the medal to @usernamenotfound because @KendrickLamar2014 u are already level 99 :D is that allright?

Answer 9

i have more questions though :D

Answer 10

Yeah thats alright :D

Answer 11

I have to go, maybe @usernamenotfound can help you..

Answer 12

ok :)

Answer 13

I'm at lunch but I'll help