Substitution for X

If x=5,find the value of 7x-1

• 34

• 36

• 35

If x = 5, y = 3 & z = 2, what is x + 2y + 3z

• 15

• 16

• 17

• 18

Solve the following systems of equations using substitution:

x = 6

y = 2x - 3

• (6, 6)

• (6, 9)

• (9, 6)

• (9, 9)

If x = -3, in the equation -2x + y = 15, what is y? Type in the number.

Which choice shows substitution correctly?

• 3x - (-6x +3) = 10

• 3(-6x + 3) - y = 10

Solve the following systems of equations using substitution:

• (6, 3)

• (1, 2)

• (3, 6)

• (2, 1)

Solve the system of equations.

• (-34, -17)

• (8, 4)

• (10, 20)

• No solution

• Infinite solutions

Solve with substitution

x = -3y - 8

x - 2y = -3

• (5, -1)

• (-5, 1)

• (-5,-1)

• (1,-5)

Solve the following systems of equations using substitution:

y = 3 - x

3y + x = 5

• No solution

• (1, 2)

• (3, 0)

• (2, 1)

Solve the system of equations.

• (-6, 1)

• (-12, -12)

• (1, -6)

• No solution

• Infinite solutions