System of Equations Substitution and Elimination

Solve the system of equations:

3x + y = –14

–2x – y = 9

• (-5,1)

• (5,-1)

• (1,4)

• (-1,4)

Solve the system of equations:

y=2x

x + y = 9

• (6, 3)

• (3, 6)

• (-3, -6)

• no solution

Solve this system of equation

y = 8x + 1

y = 6x + 3

• (1, 9)

• (4, 14)

• (0, 1)

• (2, 4)

Solve the system of equations:

7x+2y=24

8x+2y=30

• (6,-9)

• (-9,6)

• (-6,9)

• (0,0)

Solve the system of Equation (x,y)
3x + y = –14
–2x – y = 9

• (-5,1)

• (5,-1)

• (1,4)

• (-1,4)

What is the value of x in the solution to this system of equations?

• 6.5

• -6.5

• 0.5

• -0.5

(a)  

• A

• B

• C

• D

What is the value of x in the solution to this system of equations?

• 3

What is the value of x in the solution to this system of equations?

• 3

Solve:
x + y = 4
-5x - 6y = -18

• (6, -2)

• (-6, 10)

• (2, 2)

• (-2, 6)