Solve Simple Equations by Substitution

^x/₄ = 2

• x = 8

• x = 2

• x = 0.5

• x = 6

Tags

CCSS.6.EE.B.7

x - 8 = -5 

• x = 13

• x = -13

• x = 3

• x = -3

Tags

CCSS.6.EE.B.7

Check whether y = -3 is the solution of the equation 2y + 6 = 0

• YES. y = -3 is root

• NO. y = -3 is not a root

Tags

CCSS.6.EE.B.5

What is the value of x in 3x+9=99

• -30

• -3

• 30

• 3

Tags

CCSS.7.EE.B.4A

Solve this system by substitution.

• (1, -4)

• (1, 4)

• (-4, -7)

• (-7, -4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The solution to the system of equations x + 2y = 2 and x = -4y + 2 is (a)   .

• (2, 0)

• (0, 2)

• (1, 1)

• (-2, 2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Find the value of (x, y) that satisfies the equations by solving the system using substitution.
 
5x + 4y= −14
y =  −7x  −  15  The solution is (a)   .

• (-2, -1)

• (0, 0)

• (1, 1)

• (2, 2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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

• (3,-9)

• (-3,-9)

• (-3,9)

• (0,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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

• y=3

• y=1

• y= - 2

• y=4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which of the following equation correctly represents the given image ?

• 3k = 20

• k+3 = 20

• 3-k = 20

• 3+k = 30

Tags

CCSS.HSA.CED.A.3