Multi-step Equations

Front

8v - 4(v + 8) = 8

Back

10

Tags

CCSS.8.EE.C.7B

Front

2x - 3 + 4x = 27

Back

5

Tags

CCSS.8.EE.C.7B

Front

2x + 3(5x - 7) = 47

Back

4

Tags

CCSS.8.EE.C.7B

Front

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

Back

-1

Tags

CCSS.8.EE.C.7B

Front

Find the error in the problem:
19 - 2k = 3k - 1
     +3k   +3k
19 + 1k = -1
-19           -19
k = -20

Back

Instead of adding 3k they should subtract 3k

Front

Find the error in solving the equation: 1/5x + 6 = 3/5x + 5
1x + 6 = 3x + 5
-2x + 6 = 5
-2x = -1
x = 1/2

Back

The student did not multiply all terms by the common denominator

Tags

CCSS.HSA.REI.A.1

Front

How many solutions does the equation 6(3a +1) - 30 = 3(2a - 4) have?

Back

One Solution

Tags

CCSS.8.EE.C.7A

Front

Cost to paint two rectangular walls each 12 ft by 23 ft at $0.08 per sq ft?

Back

$44.16

Tags

CCSS.7.G.B.6

Front

What error did the student make when solving the equation: 5x + 6 = 66?

Back

Student multiplied by 5 instead of dividing by 5

Tags

CCSS.HSA.REI.A.1

Front

-(n - 8) = -2

Back

10

Tags

CCSS.7.EE.B.4A