Solving System of Equations by Substitution

Solve:
y = 7x + 9
2y + 2x = -18

• (5, 0)

• (9, 18)

• (-2, -5)

• (1, 16)

What is the solution to this system?
2x + 3y = 4
y= 5x - 27

• (5,-2)

• (5, 2)

• (2,3)

• (3,2)

Solve the system of equations using substitution. y = -5x - 2 and y = -2x - 8

• (2, -12)

• (-2, 8)

• (2, 7)

Solve the system of equations using substitution. y = 3x - 3 and -3x + y = -3

• (0, -3)

• infinitely many solutions

• no solution

Solve the system of equations using substitution. 3x + 4y = -2 and x = -2

• (-2, 1)

• (-2, -1)

• (1, -2)

Solve the system of equations using substitution. y = -7x - 2 and y = -3x + 2

• (0, -2)

• (-1, 5)

• (1, -9)

Solve the system of equations using substitution. x + 3y = 11 and -2x - 3y = -16

• (-2/3, 35)

• (2, 5)

• (5, 2)

Solve the system of equations using substitution. -3x + y = -5 and -4x - y = -16

• (3, -14)

• (5, -20)

• (3, 4)

Solve the system of equations using substitution. y = 5x - 2 and y = 5(x - 2)

• (0, -2)

• infinitely many solutions

• no solution

Solve the system of equations using substitution. 7x - 10y = -23 and x = -9

• (-9, 4)

• (-9, -4)

• (4, -9)