Solving Systems of Equations by Graphing or Substitution

What could be the first step to solve this system of equations by substitution?

• -3x + 20 = -2x + 12

• (-4, 8)

• (8, -4)

• 2x + 12 = 3x + 20

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What could be the first step to solve this system of equations by substitution?

• y = -2(-4) - 20

• (-8, -4)

• -4 = -2x - 20

• (8, 4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What could be the first step in solving this system of equations by substitution?

• -x + 2(-6x + 19) = 12

• -6x + 19 = -x + 2y

• (2, 7)

• (7, 2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What could be the first step to solve this system of equations by substitution?

• 5x - 2(4x + 1) = -15

• (-1, 5)

• (1, -5)

• 5x - 2(-4x+1) = -15

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What could be the first step to solve this system of equations by substitution?

• (8, -7)

• 2(2y + 22) + y = 9

• 2y + 22 + y = 9

• (-8, 7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What could be the first step to solve this system of equations by substitution?

• 4x - 2(2x - 1) = 2

• Infinite Solutons

• No Solution

• 4x - 2(-2x - 1) = 2

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What could be the first step to solve this system of equations by substitution?

• 4(y - 10) - 3y = 12

• (6, 4)

• 4(10 - y) - 3y = 12

• (4, 6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What could be the first step to solve this system of equations by substitution?

• (4, -6)

• (-6, 4)

• 5(3y - 14) + 2y = 8

• 5(-3y - 14) +2y = 8

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by graphing.

• Infinite Solutions

• No Solution

• (-4, -4)

• (0, 0)

Tags

CCSS.8.EE.C.8B

Solve by graphing.

• No Solution

• Infinite Solutions

• (-4, 0)

• (4, 0)

Tags

CCSS.8.EE.C.8B