Expressions / Equations

Evaluate 5x , when x=7

• 30

• 35

• 40

• 45

Evaluate 5x + 10 when x=3

• 12

• 26

• 25

• 20

Which expressions is equivalent to 5 + x

• x + 5

• 5x

• 5+1x

• 5x+1

• 10

• 9

• 12

• 11

• 29.5

• 29

• 32.5

• 31

• x=4

• x=5

• x=0.6

• x=6

• 30

• 24

• 14

• 35

Which equation represents this situation? "Harry walked y km per day in a week for a total of 84km"

• 7y = 84

• 84-y=7

• y+7=84

• 84/y = 7

• a=5

• a=9

• a=12

• a=6

• 100

• 1000

• 95

• 105