Gr8 Algebra

Use the balance scales model to solve for "a".

• 24

• 11

• 8

• -8

Find the value of  X.

• 3

• -3

• 9

• -9

Solve this equation.

4x + 12 = 36

• -6

• 6

• -9

• 9

5 less than 3 times a number is 1. Let n represent the number.

• 2

• -2

• 14

• 9

Solve this equation.

-6 + 6x = -18

• -6

• 6

• 2

• -2

Solve this equation.

21 - 5r = -14

• 3

• 7

• -7

• -5

Felicia has $200 to spend at Sobeys. She spends $80 on guacamole and some giant-sized Twinkies that are $12 each. What equation would find out how many giant-sized Twinkies can Felicia buy?

• 80t + 12 = 200

• 200 + 12t = 80

• 12t - 80 = 200

• 12t + 80 = 200

 $\frac{x}{-3}=-8$  Solve this equation.

• 24

• -24

• 11

• -11

Expand. 9(x+11)

• 99x

• 9x + 11

• 9x + 99

• x + 99

Which statement is correct?

• -2(x+5) = 2x+10

• -2(x+5) = -2x-10

• -2(x+5) = -2x+10

• -2(x+5) = 2x-10