Friday

April 18, 2014

April 18, 2014

Posted by **DEBBIE** on Wednesday, April 28, 2010 at 4:13am.

3(3+r)= 2r+4

so 3x3=9,3xr=3r = 2r+4

9+3r=2r+4

9-9+4=3r+2r ?????

- AALGEBRA -
**Reiny**, Wednesday, April 28, 2010 at 8:40amfirst one:

3h/2 = 30

multiply both sides by 2

3h = 60

divide both sides by 3

h = 20

second one:

3(3+r)= 2r+4

expand

9 + 3r = 2r + 4

3r - 2r = 4 - 9

r = -5

**Related Questions**

math - Hi I'm Having a problem with a question in the application of the maximum...

algebra - if (6r - x) is on factors of 18r^2 + 12ry - 3xr - 2xy, what is the ...

ctc - 3r-2s=11 2r+3s=29

math - r^3r^-4/4^-2r^-5 i tried doing r^3/r^-2 x r-4/r-5 & got r^5,r^1 but the ...

Physics - A 100 watt bulb emits light in all directions. The distance R from ...

Algebra 1 - 3r-5s=-35 2r-5s=-30 multiply equation 2 by -1 then add the two ...

math - Elimination Method 3r - 2s = 0 2r + 3s = 13 What is the solution system?

COLLEGE ALGEBRA - can somebody help me with this problem....DONT GIVE ME THE ...

Math - 1. The question is: List the like terms in the following group of terms. ...

Pre. Cal. - The expression 81 p^4 + 108p^3r^3 + 54p^2r^6 + 12pr^9 + r^12 is the ...