CSS - PMS - CCE - PCS - Mathematics
Equations
Solve the simultaneous equations: x + y = 42 and 5x + 4y = 195. What is x?
A. 27
B. 15
C. 28
D. 42
Correct Answer: A
Using y=42−x in the second equation gives x=27.
CSS - PMS - CCE - PCS - Mathematics
Equations
If 4x + 9 − 4 = 93, what is x?
A. 24
B. 22
C. 88
D. 20
Correct Answer: B
4x = 93 − 9 + 4 = 88; therefore x=22.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: 7(x + 5) = 154.
A. 12
B. 22
C. 17
D. 19
Correct Answer: C
Divide by 7: x+5=22; hence x=17.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve for x: 8x + 15 = 111.
A. 13
B. 11
C. 12
D. 96
Correct Answer: C
8x = 111 − 15 = 96; x = 96 ÷ 8 = 12.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: x/6 + 4 = 11.
A. 13
B. 1
C. 42
D. 7
Correct Answer: D
x/6=7=7; multiplying by 6 gives x=7.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve the simultaneous equations: x + y = 34 and 4x + 2y = 120. What is x?
A. 34
B. 27
C. 26
D. 8
Correct Answer: C
Using y=34−x in the second equation gives x=26.
CSS - PMS - CCE - PCS - Mathematics
Equations
If 4x + 3 − 3 = 84, what is x?
A. 19
B. 23
C. 21
D. 84
Correct Answer: C
4x = 84 − 3 + 3 = 84; therefore x=21.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: 8(x + 2) = 144.
A. 14
B. 16
C. 18
D. 17
Correct Answer: B
Divide by 8: x+2=18; hence x=16.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve for x: 2x + 21 = 43.
A. 12
B. 11
C. 22
D. 10
Correct Answer: B
2x = 43 − 21 = 22; x = 22 ÷ 2 = 11.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: x/5 + 5 = 11.
A. 30
B. 1
C. 6
D. 11
Correct Answer: C
x/5=6=6; multiplying by 5 gives x=6.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve the simultaneous equations: x + y = 26 and 3x + 4y = 79. What is x?
A. 26
B. 1
C. 27
D. 25
Correct Answer: D
Using y=26−x in the second equation gives x=25.
CSS - PMS - CCE - PCS - Mathematics
Equations
If 4x + 6 − 2 = 84, what is x?
A. 18
B. 80
C. 20
D. 22
Correct Answer: C
4x = 84 − 6 + 2 = 80; therefore x=20.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: 2(x + 14) = 58.
A. 1
B. 17
C. 29
D. 15
Correct Answer: D
Divide by 2: x+14=29; hence x=15.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve for x: 5x + 3 = 53.
A. 9
B. 11
C. 50
D. 10
Correct Answer: D
5x = 53 − 3 = 50; x = 50 ÷ 5 = 10.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: x/4 + 6 = 11.
A. 5
B. 9
C. 20
D. 1
Correct Answer: A
x/4=5=5; multiplying by 4 gives x=5.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve the simultaneous equations: x + y = 35 and 2x + 2y = 70. What is x?
A. 25
B. 11
C. 35
D. 24
Correct Answer: D
Using y=35−x in the second equation gives x=24.
CSS - PMS - CCE - PCS - Mathematics
Equations
If 4x + 9 − 6 = 79, what is x?
A. 76
B. 21
C. 17
D. 19
Correct Answer: D
4x = 79 − 9 + 6 = 76; therefore x=19.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: 3(x + 11) = 75.
A. 14
B. 16
C. 25
D. 3
Correct Answer: A
Divide by 3: x+11=25; hence x=14.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve for x: 8x + 9 = 81.
A. 8
B. 9
C. 10
D. 72
Correct Answer: B
8x = 81 − 9 = 72; x = 72 ÷ 8 = 9.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: x/3 + 7 = 11.
A. 12
B. 4
C. 7
D. 1
Correct Answer: B
x/3=4=4; multiplying by 3 gives x=4.