Simplifying Expressions

(2x + 4) + (3x + 5)

• 14x

• 6x + 8x

• 5x + 9

• x - 1

(4x - 3) + (9x + 5)

• 13x +2

• 5x - 8

• 13x + 8

• 13x - 2

(2x + 5) - (6x + 3)

• 8x + 8

• -4x + 2

• -4x + 8

• 4x - 2

(5x + 2) - (2x - 5)

• 3x - 3

• 7x + 7

• 3x + 3

• 3x +7

2z + 5 - 8p + n

Which are the coefficients?

• 2,8

• 2, -8, 5

• n

• 2, -8, 1

2(2x + 3) + 3(4x + 5)

• 6x + 8

• 16x + 21

• 56x + 8

• 16x + 8

5 - 3y + j - 8

Which is/are constants?

• 3, j

• 5, -8

• 3y, 5, j, -8

• y, j

Add and simplify.

(–9x – 12) + (x – 8)

• -10x - 4

• -8x + 20

• -8x - 20

• -10x + 4

3 - 2a + 3a + 5a

• 5a+3

• 5a-3

• 6a + 3

• 8a+3

• -14x

• -14x + 12

• 14x 

• 5x +1