Monday

December 22, 2014

December 22, 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

**Answer this Question**

**Related Questions**

algerbra - how do I solve 4/3x3.14x3.7cubed= You need to use parentheses and ...

math - Perform the following polynomials divisions: (12 marks) (x2 - 7x - 12...

AAlgebra 1 - Graph each equation by making a table. Y = 4

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

Math - Use factorization to simplify the given expression in part (a). Then find...

math - (24-10)-3x3= 14-3x3 14-9=5

statistics - Bill wants to write the equation that demonstrates the model for ...

Ap American Lit - hi i need help making literary 3x3 cards for Jane Eyre ...

Solving Equations with variable on Both Sides - I need help solving this. I've ...

math - What strategy did you use in solving this problem? 22. Suppose that you ...