# AALGEBRA

posted by .

NEED HELP SOLVING 3h/2 = 30 and
3(3+r)= 2r+4

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

• AALGEBRA -

first 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

## Similar Questions

1. ### algerbra

how do I solve 4/3x3.14x3.7cubed= You need to use parentheses and explain what the . stands for. And is x what you are solving for or is that a times sign?
2. ### algebra

if (6r - x) is on factors of 18r^2 + 12ry - 3xr - 2xy, what is the other factor. a) 2y - 3r b) 3r + 2y c) 3r - 2x d) 3r - 2y
3. ### math

(24-10)-3x3= 14-3x3 14-9=5
4. ### Math

Use factorization to simplify the given expression in part (a). Then find the indicated limit in part (b). (a) 3x3 + 9x2 + 9x + 3 x4 + x3 + x + 1 (b) lim x → −1 3x3 + 9x2 + 9x + 1 x4 + x3 + x + 1
5. ### statistics

Bill wants to write the equation that demonstrates the model for explaining quarter-life crisis. He is using optimism, locus of control, income, and years since completing college as explanatory variables. Which of the following equations …
6. ### math

Perform the following polynomials divisions: (12 marks) (x2 - 7x - 12) ÷ (x + 2) (x3 + x2 – 3x + 1) ÷ (x – 1) (3x3 + 5x2 – 3x – 5) ÷ (x + 1) (x4 - 3x3 + 3x + 2) ÷ (x - 2) Based on the results of question 1, what do you …
7. ### AAlgebra 1

Graph each equation by making a table. Y = 4
8. ### aalgebra

identify the solutions to x+2y=4 9x-4y=3
9. ### Math

Plz I need help and this is due tomorrow idk what to do if I have a 3x3 grid of numbers 6,24,14,25,15,5,23,16 and 7 and how to arrange them so that I get the same sum for each column I need help
10. ### Math

I really need help solving this! For questions 6-7, simplify the expression. 6. -6 - 7(c + 10)(1 point) A. 64 - 7c B. -76 - 7c C. 4 - 13c D. -16 - 13c I don't know which to choose, I need help solving this!

More Similar Questions