Solve the equation. Check your solution, if possible.
1 .-26d = -364
2. X - ⅓ = ⅖
3. 4π s + 5π
4. 1.5y + 1.5y + 10 = 4
5. 4(3 - 6a) = 36
6. 4(2g - 3) = 5 (g - 2)
7. 6r - 8 = 8 + 6r
8. 3y + 6 = 3(y + 9)
9. 0.4(15p + 6) = 1.5(4p + 1.6)
10. 9n - 4 + n = 5 + 10n
Solve the equation for y:
11. 24 = 8x + 4y
12. -2x + 2y = 14
13. 2.7 = y - 8.1x
14. ⅓ x + y = 3
15.
Solve A = bh/2 for h.
Find h for the given triangle.
Solve the formula for the bold variable:
16. i = ec
3
17. P = 2l + 2w
18. I = V
R
19. S = p - 7t
Write and solve an equation to find the value of x.
20.
22. The cost of your new book bag is $11.50 more than the cost c of your old book bag. You pay $47 for your new book bag. Write and solve an equation to find the cost of your old book bag.
23. You can rent a video game for $3.50. Your total cost of rentals for the month was $31.50. Write and solve an equation to find the number of video game rentals for the month.
24. You purchase 5 movies and a CD. The cost of the CD is $8.50. Your total bill before tax is $38.45. Write and solve an equation to find the cost of a movie.