Substitution for Solving Linear Equations

Using Substitution, solve for the system of linear equations: x=-3y+1 -3x-3y=-15

• Infinitely many solutions

• (-1,5)

• (7,-2)

• No solution

• (4,1)

• No solution

• Infinitely many solutions

• (5,-2)

• (1,-1)

• Infinitely many solutions

• (3,4)

• No solution

• Infinitely many solutions

• (3,-7)
  

• (5,9)

• No solution

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. -3x + y = -5 and -4x - y = -16

• (3, -14)

• (5, -20)

• (3, 4)

Solve the system of equations using substitution:

y = 7x + 9

2y + 2x = -18

• (6.75, 2.25)

• (2.25, 6.75)

• (-2.25, -6.75)

• (-2.25, 6.75)

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

• (0, -3)

• infinitely many solutions

• no solution

Which choice shows substitution correctly?

• 3x - (-6x +3) = 10

• 3(-6x + 3) - y = 10

Solve the system of equations using substitution:
y = 2x + 5
2x + 2y = 4

• (1, 7)

• (7, 1)

• (2, 9)

• (-1, 3)