Solution Substitution

Solve this system using substitution

y = 3x - 5

2x + 4y = -6

• (1, -2)

• (2, -2)

• (1, 2)

• Why have you done this?

Solve with substitution

x = -3y - 8

x - 2y = -3

• (5, -1)

• (-5, 1)

• (-5,-1)

• (1,-5)

• Infinitely Many Solutions
• No Solution

Which is the best method for solving this system of equations?

• Substitution

• Equal Values

• Elimination

Which is the best method for solving this system of equations?

• Substitution

• Elimination

• Equal Values

What is the solution?

• (1, -1)

• (-1, 1)

• (0, -2)

• (0, 1)

Which method would be best (quickest) for solving the system below:
3x - 4y = -2
y = 2x + 1

• Substitution

• Elimination

• Graphing

• None

Solve the system using substitution

y=8x+1

y=6x+3

• (1, 9)

• (4, 14)

• (0, 1)

• (2, 4)

Solve the system using substitution:

x + y = 19

y = 3x - 1

• (14, 5)

• (11, 8)

• (5, 14)

• (8, 11)

What is the solution to the system?

• (0, 3)

• (1, -1)

• (-3, 1)

• (1, 3)