Question

Use the algebra tiles to model the equation 2x + 4 = 3x + (−1). Then complete the sentences. To model 2x + 4, you need: positive x-tiles to represent 2x. positive unit tiles to represent 4. To model 3x + (−1) you’ll need: 3 x-tiles to represent 3x. 1 unit tile to represent –1.

Answer 1

2x + 4

To model 2x+4, you need :

2 positive x-tiles to represent 2x.

4 positive unit tiles to represent 4.

3x+(-1)

To model 3x+(-1), you need :

3 positive x-tiles to represent 3x.

1 negative unit tile to represent (-1).