CSS - PMS - CCE - PCS - Mathematics
Equations
Solve the simultaneous equations: x + y = 24 and 2x + 4y = 76. What is x?
A. 24
B. 11
C. 14
D. 10
Correct Answer: D
Using y=24−x in the second equation gives x=10.
CSS - PMS - CCE - PCS - Mathematics
Equations
If 4x + 9 − 6 = 23, what is x?
A. 5
B. 3
C. 20
D. 7
Correct Answer: A
4x = 23 − 9 + 6 = 20; therefore x=5.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: 2(x + 11) = 80.
A. 18
B. 40
C. 29
D. 31
Correct Answer: C
Divide by 2: x+11=40; hence x=29.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve for x: 8x + 15 = 207.
A. 23
B. 25
C. 24
D. 192
Correct Answer: C
8x = 207 − 15 = 192; x = 192 ÷ 8 = 24.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: x/3 + 6 = 25.
A. 16
B. 19
C. 57
D. 22
Correct Answer: B
x/3=19=19; multiplying by 3 gives x=19.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve the simultaneous equations: x + y = 16 and 6x + 2y = 68. What is x?
A. 7
B. 16
C. 9
D. 10
Correct Answer: C
Using y=16−x in the second equation gives x=9.
CSS - PMS - CCE - PCS - Mathematics
Equations
If 4x + 3 − 5 = 14, what is x?
A. 6
B. 4
C. 2
D. 16
Correct Answer: B
4x = 14 − 3 + 5 = 16; therefore x=4.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: 3(x + 8) = 108.
A. 28
B. 36
C. 30
D. 20
Correct Answer: A
Divide by 3: x+8=36; hence x=28.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve for x: 2x + 21 = 67.
A. 23
B. 24
C. 22
D. 46
Correct Answer: A
2x = 67 − 21 = 46; x = 46 ÷ 2 = 23.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: x/2 + 7 = 25.
A. 20
B. 18
C. 16
D. 36
Correct Answer: B
x/2=18=18; multiplying by 2 gives x=18.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve the simultaneous equations: x + y = 25 and 5x + 4y = 108. What is x?
A. 8
B. 25
C. 9
D. 17
Correct Answer: A
Using y=25−x in the second equation gives x=8.
CSS - PMS - CCE - PCS - Mathematics
Equations
If 4x + 6 − 4 = 14, what is x?
A. 1
B. 12
C. 3
D. 5
Correct Answer: C
4x = 14 − 6 + 4 = 12; therefore x=3.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: 4(x + 5) = 128.
A. 32
B. 29
C. 22
D. 27
Correct Answer: D
Divide by 4: x+5=32; hence x=27.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve for x: 5x + 3 = 113.
A. 22
B. 23
C. 21
D. 110
Correct Answer: A
5x = 113 − 3 = 110; x = 110 ÷ 5 = 22.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: x/6 + 1 = 18.
A. 23
B. 102
C. 11
D. 17
Correct Answer: D
x/6=17=17; multiplying by 6 gives x=17.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve the simultaneous equations: x + y = 17 and 4x + 2y = 48. What is x?
A. 17
B. 7
C. 10
D. 8
Correct Answer: B
Using y=17−x in the second equation gives x=7.
CSS - PMS - CCE - PCS - Mathematics
Equations
If 4x + 9 − 3 = 14, what is x?
A. 0
B. 2
C. 4
D. 8
Correct Answer: B
4x = 14 − 9 + 3 = 8; therefore x=2.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: 5(x + 2) = 140.
A. 28
B. 24
C. 27
D. 26
Correct Answer: D
Divide by 5: x+2=28; hence x=26.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve for x: 8x + 9 = 177.
A. 21
B. 20
C. 22
D. 168
Correct Answer: A
8x = 177 − 9 = 168; x = 168 ÷ 8 = 21.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: x/5 + 2 = 18.
A. 21
B. 16
C. 80
D. 11
Correct Answer: B
x/5=16=16; multiplying by 5 gives x=16.