Multi-Step Equations

Solve 0.5(10k - 16) + 11 = -2

• k = -1

• k = 1

• k = 0

• k = 1/5

Tags

CCSS.7.EE.B.4A

Solve 2(4m - 5) - (6m + 11) = 33

• m = 27

• m = -27

• m = 17

• m = -17

Tags

CCSS.8.EE.C.7B

Solve -10n + 5 = -31 - 8n

• n = 18

• n = -18

• n = -13

• n = -2

Solve 11k - 16 - 2k = 17k

• k = -2

• k = 2

• k = -16/5

• k = 16/5

Find the Error
What error did the student make when solving the equation:
5x + 6 =  66
5x - 6 = 66 -6
5x = 60
5*5x= 60*5
x = 300

• The student subtracted 6 from both sides instead of adding

• Student multiplied by 5 instead of dividing by 5

• Student got the wrong answer when subtracting 66-6

• The student did not correctly eliminate the variable from one side of the equation

Tags

CCSS.HSA.REI.A.1

8v - 4(v + 8) = 8

• 2

• 10

• 4

• -4 

Tags

CCSS.8.EE.C.7B

-(n - 8) = -2

• 6

• 10

• -10

• -6

Tags

CCSS.7.EE.B.4A

-8(-8x - 6) = -6x - 22

• 2/5

• -1

• 8/7 

• 2

Tags

CCSS.8.EE.C.7B

5x - 4 + 2x = 3

• 1

• 2

• 3

• 4

Tags

CCSS.8.EE.C.7B

Solve 8(v - 2) = 5(v + 3) + 8

• v = 13

• v = -13

• v = 3

• v = -3

Tags

CCSS.8.EE.C.7B