Simple Substitution

What is the value of the y-coordinate of the solution to the system of linear equations given?

• -4

• -1

• 1

• 7

What is the value of the z-coordinate of the solution to the system of linear equations given?

• -5

• 5

• 7

• 8

Solve for x and y by using the substitution method. y = 2x + 1 y = 4x - 1

• (1,3)

• (-1,-3)

• (-1,3)

• (3,1)

Solve the system by using the substitution method

Solve the system of equations using the substitution method

Solve the system using the substitution method.

x + 3y = 9

2x + y = −2

• (3,2)

• (-2, 2)

• (3, -4)

• (-3, 4)

• (0.5, -3)

x = y +2

x + y =10

What is the solution?

• (6,4)

• (4,6)

• No Solution

• Many Solution

Solve for x and y by using the substitution method. 3x + 2y = 16 y = -7x + 19

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

Solve for x and y by using the substitution method.

y = -2x

4x - y = 0

• (1,2)

• (0,0)

• No Solutions

• Infinite Solutions

Solve for x and y using the substitution method. 5x + 3y = 7 y = 4

• (4,1)

• (4,-1)

• (1,4)

• (-1,4)