Stems of Equations and Solutions

Which one of the following answers is an equation? 

• 8x + 18

• 5y

• 2x + 16 = 43

• 24 ÷ b

When x = 4 in the equation
2x + 3 = x + 7
2(  ) + 3 = (  ) + 7
IS IT TRUE OR FALSE?

• TRUE

• FALSE

Determine whether c=9 is a solution to the equation below. c+11=20

• solution

• not a solution

Determine whether x=8 is a solution to the equation below.

x - 7 = 15

• solution

• not a solution

Determine whether d = 5.9 is a solution to the equation below.

16.1 + d = 22

• solution

• not a solution

Determine whether e = 12 is a solution to the equation below.

9 = $\frac{3}{4}$ e

• solution

• not a solution

Select the correct solution to the equation below.

18+p=25

• p = 7

• p = 13

• s = 32

• s = 80

Determine the solution of the equation below.

39 + x = 50

• x = 11

• x = 89

Determine the solution of the equation below.

101.4 - d = 99.2

• d = 200.6

• d = 2.2