Solve Equations with Tiles

What equation do the algebra tiles show?

• -2x + 2 = x + 4

• 2x + 2 = x - 4

• 2x - 2 = -x + 4

• -2x - 2 = x + 4

Look at the model. Which of the following algebraic expressions could it represent?

• 3x + 4 + 2x + 1

• 7x + 3x

• 3x + 2x

• 4 + 1

Pick the equation modeled.

• 3x + 1 = x - 5

• -3x + 1 = x - 5

• 3x + 1 = x - 3

• 3x - 1 = x - 5

• A

• B

• C

• D

Which equation does this set of algebra tiles represent?

• -x + 7 = 16

• -x + 7 = 19

• 6x + 7 = 19

• 6x + 7 = 13

Answer explanation

Tags

7.11.A

Mathematical Equivalence

ON

Answer explanation

Tags

7.11.A

An equation is modeled below using algebra tiles. Which value of x makes the equation true?

Mathematical Equivalence

ON

Which equation does this set of algebra tiles represent?

​ (a)  

• -x + 7 = 16

• -x + 7 = 19

• 6x + 7 = 19

• 6x + 7 = 13

Answer explanation

Tags

7.11.A

Using the equation 2x = 8, what does x equal?

• 4

• 6

• 10

• 0.25

• - 1

• 2

• - 4

• 4