CSS - PMS - CCE - PCS - Mathematics
Equations
Solve the simultaneous equations: x + y = 9 and 3x + 4y = 30. What is x?
A. 9
B. 6
C. 3
D. 7
Correct Answer: B
Using y=9−x in the second equation gives x=6.
CSS - PMS - CCE - PCS - Mathematics
Equations
If 4x + 3 − 2 = 121, what is x?
A. 28
B. 32
C. 30
D. 120
Correct Answer: C
4x = 121 − 3 + 2 = 120; therefore x=30.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: 6(x + 14) = 234.
A. 25
B. 39
C. 11
D. 27
Correct Answer: A
Divide by 6: x+14=39; hence x=25.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve for x: 2x + 15 = 55.
A. 21
B. 40
C. 19
D. 20
Correct Answer: D
2x = 55 − 15 = 40; x = 40 ÷ 2 = 20.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: x/4 + 3 = 18.
A. 60
B. 15
C. 11
D. 19
Correct Answer: B
x/4=15=15; multiplying by 4 gives x=15.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve the simultaneous equations: x + y = 18 and 2x + 2y = 36. What is x?
A. 6
B. 13
C. 5
D. 18
Correct Answer: C
Using y=18−x in the second equation gives x=5.
CSS - PMS - CCE - PCS - Mathematics
Equations
If 4x + 6 − 6 = 116, what is x?
A. 31
B. 29
C. 116
D. 27
Correct Answer: B
4x = 116 − 6 + 6 = 116; therefore x=29.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: 7(x + 11) = 245.
A. 26
B. 35
C. 13
D. 24
Correct Answer: D
Divide by 7: x+11=35; hence x=24.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve for x: 5x + 21 = 116.
A. 95
B. 20
C. 19
D. 18
Correct Answer: C
5x = 116 − 21 = 95; x = 95 ÷ 5 = 19.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: x/3 + 4 = 18.
A. 42
B. 14
C. 11
D. 17
Correct Answer: B
x/3=14=14; multiplying by 3 gives x=14.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve the simultaneous equations: x + y = 10 and 6x + 4y = 48. What is x?
A. 5
B. 6
C. 4
D. 10
Correct Answer: C
Using y=10−x in the second equation gives x=4.
CSS - PMS - CCE - PCS - Mathematics
Equations
If 4x + 9 − 5 = 116, what is x?
A. 26
B. 28
C. 30
D. 112
Correct Answer: B
4x = 116 − 9 + 5 = 112; therefore x=28.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: 8(x + 8) = 248.
A. 15
B. 23
C. 25
D. 31
Correct Answer: B
Divide by 8: x+8=31; hence x=23.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve for x: 8x + 3 = 147.
A. 17
B. 144
C. 18
D. 19
Correct Answer: C
8x = 147 − 3 = 144; x = 144 ÷ 8 = 18.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: x/2 + 5 = 18.
A. 13
B. 26
C. 11
D. 15
Correct Answer: A
x/2=13=13; multiplying by 2 gives x=13.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve the simultaneous equations: x + y = 19 and 5x + 2y = 47. What is x?
A. 19
B. 16
C. 3
D. 4
Correct Answer: C
Using y=19−x in the second equation gives x=3.
CSS - PMS - CCE - PCS - Mathematics
Equations
If 4x + 3 − 4 = 107, what is x?
A. 108
B. 27
C. 25
D. 29
Correct Answer: B
4x = 107 − 3 + 4 = 108; therefore x=27.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: 2(x + 5) = 54.
A. 17
B. 27
C. 22
D. 24
Correct Answer: C
Divide by 2: x+5=27; hence x=22.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve for x: 2x + 9 = 43.
A. 18
B. 16
C. 34
D. 17
Correct Answer: D
2x = 43 − 9 = 34; x = 34 ÷ 2 = 17.
CSS - PMS - CCE - PCS - Mathematics
Equations
Solve: x/6 + 6 = 18.
A. 12
B. 6
C. 72
D. 18
Correct Answer: A
x/6=12=12; multiplying by 6 gives x=12.