system of equations substitution/ elimination method

Solve using Elimination Method:

4x+ 9y = 28

-4x -y = -28

• (-7,0)

• (6,0)

• (-6,0)

• (7,0)

• (6,7)

Solve using Elimination Method:

x - y = 11

2x + y = 19

• (10,-1)

• (-1,10)

• (3,-4)

• (6,7)

The solution (answer) to a system of equations is ____________

• the point where the 2 lines intersect

• the graph of a line

• only finding what x = __

A ________________ are two or more equations that have the same variables and work together.

• graphing lines

• elimination method

• system of equations

• table

• slope intercept form

Solve using Substitution

• (3,8)
• (8,3)
• (0,2)
• (2,0)

Solve the following system of equations algebraically using substitution method.

• (-1, 1)

• (1, -1)

• (0, 1)

• (1, 0)

Solve the following system of equations algebraically using substitution method.

• (-1, -1)

• (2, -1)

• (-1, 2)

• (-1, -2)

Solve the following system of equations algebraically using substitution method.

• (4, 5)

• (4, -5)

• (-4, -5)

• (-5, -4)

Solve the system:
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)