Algebra Substitution

Solve the system using Substitution

x = -3y - 8

x - 2y = -3

• (5, -1)

• (-5, 1)

• (-5,-1)

• (1,-5)

Solve the system using Substitution

y = 7x + 9

2y + 2x = -14

• (5, 0)

• (9, 18)

• (-2, -5)

• (1, 16)

Solve the system using Substitution

5x - 2y = 3

y = 2x

• (6, 3)

• (1, 2)

• (3, 6)

• (2, 1)

Solve the system using Substitution y = 2x + 9 x = -3

• (-3, -33)

• (-3, 8)

• (-3, 3)

• (3, -3)

Solve using Substitution

• (3,8)

• (8,3)

• (0,2)

• (2,0)

Solve the system of equations.
y = 4x + 1
3x + 2y = 13

• (1, 5)

• (5, 1)

• (0.25, 2)

• ∅

What is the solution to this system?
y= 4x + 3
2x - 3y = 21

• (3,-9)

• (-3,-9)

• (-3,9)

• (0,1)

If a system of equations has no solution, what does the graph look like? 

• intersecting lines

• parallel lines

• perpendicular lines

• intersecting lines

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

• 34

• 36

• 35

• 37

If y = 7, find the value of 2(y+4).

• 11

• 22

• 20

• 12