Substitution Method Practice

The first step in solving using the substitution method is __________.

• get x by itself

• get y by itself

• get either variable by itself in one equation

• add the equations together

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations using substitution:
-4x + 4y = 8
y = -2x - 10

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:
x = -3y - 17
2x + 3y = -7

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to the system of equations?

y = 3x - 8

y = 4 - x

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve this system by substitution.

• (1, -4)

• (1, 4)

• (-4, -7)

• (-7, -4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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

• (1, -2)

• (-2, 1)

• (-4, 1)

• (2, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to the system?

• (0, 3)

• (1, -1)

• (-3, 1)

• (1, 3)

Tags

CCSS.8.EE.C.8B

The solution to the system of equations is _____ .

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which is the correct setup for SUBSTITUTION for the systems:

• 8x+5(-3x-6)=-9

• 8(-3x-6)+5y=-9

• 8x+5y=-3x-6

• y=-3(8x+5y)-6

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

SOLVE THE SYSTEM BELOW USING THE SUBSTITUTION METHOD

y = x + 3

-2x + y = 4

• (0, 1)

• (-1, 2)

• (2, -2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6