Solving By Substitution #1

Solving By Substitution Easier

100

Solve this system of equations by substitution.

x+y=15

x=5

(5, 10)

200

Solve this system of equations by substitution.

x+y=22

y=13

(9, 13)

300

Solve this system of equations by substitution.

2x+y=36

x=4

(4, 28)

400

Solve this system of equations by substitution.

x+3y=28

y=9

(1, 9)

500

Solve this system of equations by substitution.

2x+3y=13

x=2

(2, 3)

Solving By Substitution Harder

100

Solve this system of equations by substitution.

x+y=36

y=2x

(12, 24)

200

Solve this system of equations by substitution.

x+y=25

x=4y

(20, 5)

300

Solve this system of equations by substitution.

2x+y=144

y=10x

(12, 120)

400

Solve this system of equations by substitution.

3y+x=400

x=7y

(280, 40)

500

Solve this system of equations by substitution.

5x+2y=26

y=4x

(2, 8)

Using Desmos.com to Solve

100

Solve this system of equations by graphing on Desmos

y=3x+4

y=3x+2

no solution

200

Solve this system of equations by graphing on Desmos

y=2x+2

y=-1/2x+3

(0.4, 2.8)

300

Solve this system of equations by graphing on Desmos

y=15x+5

-15x+y=5

Infinitely Many Solutions

400

Solve this system of equations by graphing on Desmos

3x+2y=15

2x+3y=15

(3, 3)

500

Solve this system of equations by graphing on Desmos

19-3y=5x

7y+12=14x

(2.195, 2.675)