Solving Equations Difficult

Solve for m.

2m + 1 + m = 4(m-2) + 7

• -4

• -2

• 2

• no solution

If a rectangle has a width of 2x + 3 and a length of 4x + 5, how could you represent its perimeter?

• (2x + 3) + (4x + 5)

• 6x + 8

• 2(2x + 3) + 2(4x + 5)

• (2x + 3) • (4x + 5)

Tags

CCSS.7.EE.A.1

8x = 72

• x = 8

• x = 9

• x = 728

• x = 10

Tags

CCSS.6.EE.B.7

5x + 8 = 43

• x = 7

• x = 8

• x = 9

• x = 10

Tags

CCSS.7.EE.B.4A

3v - 16 = 14

• v = 30

• v = 1

• v = 10

• v = 90

Tags

CCSS.7.EE.B.4A

k/3 = 6

• k = 2

• k = 18

• k = 3

• k = 21

Tags

CCSS.6.EE.B.7

6x + 4 = 2x + 24

• x = 4

• x = 5

• x = 6

• x = 7

x² + 9 = 45

• x = 18

• x = 5

• x = 72

• x = 6

Tags

CCSS.8.EE.A.2

-6r = 42

• r = 7

• r = -7

Tags

CCSS.6.EE.B.7

-3m + 8 = 14

• m = 2

• m = 3

• m = -2

• m = -3

Tags

CCSS.7.EE.B.4A