The answers in bold are correct:
1. B. r = 5
2. D. x = 2
3. A. x = -3
4. C. y = 11
5. B. x = -11
1.
Solve, round to nearest tenth if needed.
7r - 7 = 2r + 18
A. r = -5
B. r = 5 ***
C. r = 2.2
D. r = 1.2
2.
Solve, round to nearest tenth if needed.
2x + 12 = 18 - x
A. x = 3
B. x = 10
C. x = 6
D. x = 2 ***
3.
Solve, round to nearest tenth if needed.
8x - 3 = 15x + 18
A. x = -3 ***
B. x = 3
C. x = 2.1
D. x = .9
4.
Solve, round to nearest tenth if needed.
6y - 6 = 4y + 16
A. y = 2.2
B. y = -2.2
C. y = 11 ***
D. y = 5
5.
Solve, round to nearest tenth if needed.
3(x - 4) = 5(x + 2)
A. x = 11
B. x = -11***
C. x = 1
D. x = -1
1 answer