Solving Systems (Substitution/ 1 solved for y)

Solve each system by substitution.

y = -5x - 9

-7x - 5y = 9

• (2, 5)

• (2, -1)

• (-2, 1)

• (2, 1)

Solve each system by substitution.

-5x + 5y = 20

y = 2x + 4

• (0, 4)

• (0, -4)

• (0, 3)

• (4, 0)

Solve each system by substitution.

6x + 3y = 21

y = -2x + 7

• (2, -4)

• Infinite number of solutions

• (-2, 4)

• (2, 4)

Solve each system by substitution.

2x - 5y = 12

y = -4

• (-4, -7)

• (-4, 4)

• (-4, -4)

• (-4, -7)

Solve each system by substitution.

4x + 2y = 6

y = 3x - 17

• (6, -5)

• No solution

• (4, -5)

• Infinite number of solutions

Solve each system by substitution.

y = 2x + 3

-4x - 4y = 12

• (-2, -4)

• (-4, -2)

• (-2, -1)

• (2, -1)

Solve each system by substitution.

y = -2x - 5

-x - 4y = -15

• (-8, 5)

• (-5, 5)

• (-5, -5)

• (5, -5)

Solve each system by substitution.

5x + 2y = 19

y = 2

• (3, 2)

• (7, -2)

• (7, 2)

• (7, -1)

Solve each system by substitution.

y = -3x - 5

-5x + 3y = -15

• (5, -7)

• (-5, 7)

• Infinite Solutions

• (0, -5)

Solve each system by substitution.

y = -3

-4x + 4y = 12

• (6, 7)

• (-6, 3)

• (-6, -3)

• No solution