Basic Algebra Equations

Is 3 a solutions for 20 - y = 17

• Yes

• No

Is 20 a solution for x ÷ 2 = 10

• Yes

• No

Is 6 a solution for n x 7 = 56

• Yes

• No

Is 13 a solution for r - 9 = 4

• Yes

• No

When a number and a variable are stuck together with no symbols, you should ____________.

• add them

• subtract them

• multiply them

• put them into a salad

If j = 4, what is 8j?

• 84

• 12

• 2

• 32

18 + f = 30

f = ?

• 12

• 10

• 48

• 22

g - 14 = 50

• 36

• 64

• 74

• 26

Solve for x.

• x = 21

• x = 17

• x = 20

• x = 18

take 10 away from s 

• 10 - s 

• s + 10

• s - 10

• s/10