Systems of Equations by Substitution

x = -3y - 17

2x + 3y = -7

• (1, -20)

• (10, 0)

• (-5, -2)

• (10 , -9)

3x + 2y = 8

-x + y = -11

• (-5,6)

• (6,-11)

• (-6,-5)

• (6,-5)

What is the solution to the system of equations?

• (3,1)

• (1,3)

• (3,-1)

• (3,-1)

Solve the system of equations.

y = -5x

x + 3y = 28

• (-6, 30)

• (-2, 10)

• (-2, 39)

• No solution

• Infinite solutions

Solve the system of linear equations by substitution.

x + y = 2

2x + 7y = 9

​ ​ ​ (a)   ​ (b)  

• x = 6

• x = -3

• y = 2

• y = 5/9

• x = 1

• y = 1

• x = -8

• y = 4

• x = -2

Solve the system of linear equations by substitution.

5x + 6y = 50

x - 6y = -26

​ ​ ​ (a)   ​ (b)  

• x = 6

• x = -3

• y = 20/6

• y = -4

• x = 4

• y = 5

• x = -8

• y = 4

Solve the following system by substitution.  What is the solution?

• (1, -2)

• (-2, 1)

• (-4, 1)

• (2, 1)

What is the solution to this system? Solve by substitution.
y= 4x + 3
2x - 3y = 21

• (3,-9)

• (-3,-9)

• (-3,9)

• (0,1)

Solve the following system:

y = x + 8 and y = -x + 2

​ (a)   ​

​

• Infinite Solution

• (-2, 6)

• (3,5)

solve by substitution: y=3x+14
y=-4x

• y=3

• y=1

• y= - 2

• y=4