CSS - PMS - CCE - PCS - Mathematics
Equations
Solve the simultaneous equations: x + y = 22 and 6x + 4y = 116. What is x?
A. 8
B. 22
C. 15
D. 14
Correct Answer: D
Using y=22−x in the second equation gives x=14.
CSS - PMS - CCE - PCS - Mathematics
Equations
If 4x + 6 − 5 = 37, what is x?
A. 9
B. 36
C. 7
D. 11
Correct Answer: A
4x = 37 − 6 + 5 = 36; therefore x=9.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: 5(x + 8) = 60.
A. 6
B. -4
C. 12
D. 4
Correct Answer: D
Divide by 5: x+8=12; hence x=4.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve for x: 5x + 15 = 155.
A. 28
B. 140
C. 29
D. 27
Correct Answer: A
5x = 155 − 15 = 140; x = 140 ÷ 5 = 28.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: x/2 + 2 = 25.
A. 23
B. 21
C. 46
D. 25
Correct Answer: A
x/2=23=23; multiplying by 2 gives x=23.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve the simultaneous equations: x + y = 14 and 5x + 2y = 67. What is x?
A. 1
B. 13
C. 14
D. 15
Correct Answer: B
Using y=14−x in the second equation gives x=13.
CSS - PMS - CCE - PCS - Mathematics
Equations
If 4x + 9 − 4 = 37, what is x?
A. 8
B. 10
C. 6
D. 32
Correct Answer: A
4x = 37 − 9 + 4 = 32; therefore x=8.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: 6(x + 5) = 48.
A. 5
B. 3
C. 8
D. -2
Correct Answer: B
Divide by 6: x+5=8; hence x=3.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve for x: 8x + 21 = 237.
A. 28
B. 27
C. 26
D. 216
Correct Answer: B
8x = 237 − 21 = 216; x = 216 ÷ 8 = 27.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: x/6 + 3 = 25.
A. 22
B. 132
C. 28
D. 16
Correct Answer: A
x/6=22=22; multiplying by 6 gives x=22.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve the simultaneous equations: x + y = 23 and 4x + 4y = 92. What is x?
A. 11
B. 13
C. 12
D. 23
Correct Answer: C
Using y=23−x in the second equation gives x=12.
CSS - PMS - CCE - PCS - Mathematics
Equations
If 4x + 3 − 3 = 28, what is x?
A. 7
B. 5
C. 9
D. 28
Correct Answer: A
4x = 28 − 3 + 3 = 28; therefore x=7.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: 7(x + 2) = 28.
A. 0
B. 4
C. 2
D. 3
Correct Answer: C
Divide by 7: x+2=4; hence x=2.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve for x: 2x + 3 = 55.
A. 25
B. 27
C. 26
D. 52
Correct Answer: C
2x = 55 − 3 = 52; x = 52 ÷ 2 = 26.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: x/5 + 4 = 25.
A. 26
B. 21
C. 105
D. 16
Correct Answer: B
x/5=21=21; multiplying by 5 gives x=21.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve the simultaneous equations: x + y = 15 and 3x + 2y = 41. What is x?
A. 12
B. 15
C. 11
D. 4
Correct Answer: C
Using y=15−x in the second equation gives x=11.
CSS - PMS - CCE - PCS - Mathematics
Equations
If 4x + 6 − 2 = 28, what is x?
A. 6
B. 24
C. 8
D. 4
Correct Answer: A
4x = 28 − 6 + 2 = 24; therefore x=6.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: 8(x + 14) = 352.
A. 16
B. 30
C. 32
D. 44
Correct Answer: B
Divide by 8: x+14=44; hence x=30.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve for x: 5x + 9 = 134.
A. 125
B. 25
C. 24
D. 26
Correct Answer: B
5x = 134 − 9 = 125; x = 125 ÷ 5 = 25.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: x/4 + 5 = 25.
A. 24
B. 80
C. 16
D. 20
Correct Answer: D
x/4=20=20; multiplying by 4 gives x=20.