Systems of equation Mixed

Find x,y by substitution

x= 6

x+ y= 20

• (6,14)

• (6,12)

• (4,12)

Solve by substitution (x,y)

y = 2

2x + 8y = 20

• (2,6)

• (2,5)

• (6,2)

• (2,6)

• (5,2)

Solve by substitution (x,y)

x=3

2x+3y=18

• (4,4)

• (3,4)

• (3,6)

Solve by substitution

y=4

x+y= 14

• (3,10)

• (4,8)

• (10,4)

Solve by elimination (x,y)

-4x -2y =-12

4x + 8y =-24

• (6,-6)

• (6,-2)

• (2,6)

Solve by elimination (x,y)

-3x - 3y = 12

-9x + 3y = -24

• (1,-2)

• (1,-5)

• (-5,2)

Solve by elimination (x,y)

8x - 6y = -24

-8x + y = 24

• (-3,0)

• (0,2)

• (-3,2)

Solve by elimination (x,y)

5x + 6y = 50

x − 6y = −26

• (5,2)

• (4,5)

• (5,5)