M5X Module 24-Linear Equations

Solve for y in the equation 3y + 7 = y – 15.

• y = -11

• y = 11 

• y = -4

• y = 4

Solve for m in the equation 4(m – 5) = 2(3m + 7).

• m = 17

• m = -17

• m = 2

• m = -2

Which of the following is a solution of 4x + 3y = 2?   

• (2, 2)

• (-2, 2)

• (-1, 2)

• (3, 3)

What is the value of y in the equation 3x + 2y = 4 if x = 6?  

• y = 4

• y = -4

• y = 7

• y = -7

What is the value of x in the equation 3x + 4y = 6 if y =3?   

• x = -2

• x = 2

• x = -4

• x = 4

Solve the system of equations by substitution method.

y = 3x+2

5x-2y = -8

• (4, 14)

• (3, 11)

• (-2, -4)

• (-3, -7)

Solve the system by elimination method.

2x-3y = 5

4x+3y = 19

• (3, 1)

• (4, 1)

• (5, 2)

• (6, 4)

Solve the system by elimination method.

3x+5y = 11

2x-4y = -22

• (-3, 4)

• (2, 1)

• (4, 1)

• (-7, 2)

The sum of two voltages is 32 V and the difference between them is 4 V. What are the two voltages?

• 20 V & 12 V

• 22 V & 10 V

• 24 V & 8 V

• 18 V & 14 V

The cost of 4 tables and 3 chairs is SAR 550 SAR. While the cost of 5 tables and 6 chairs is SAR 800. What is the cost of each chair?   

• 100 SAR         

• 75 SAR         

• 50 SAR         

• 25 SAR