Add and Subtract Linear Expressions

Add these expressions
(3x+15) + (4x+13)

• 7x+ 28

• 35x

• x+2

• 7x - 2

Find the sum:
(7k + 9) + (4k - 3)

• 3k + 6 

• 11k + 6

• -11k + 6

• - 3k + 6

Find the difference (2x + 6) – (7x + 3).

• -5x + 3

• -5x + 9

• 9x + 9

• 5x + 3

(6x + 9) - (4x + 6)

• 10x + 15

• 2x + 15

• 10x + 3

• 2x + 3

Simplify.

Mathematical Equivalence

ON

Tags

7.AF.A.6

7.AF.A.7

7.AF.B.9

Simplify the expression.

(4x + 3) - (2x - 1)

• 6x + 2

• 2x + 4

• 2x -2

(-9x + 2) + (-8x - 2)

• -17x - 4

• 17x

• -17x

• 17x + 4

(7a + 4) - (9a + 2)
^{(its subtraction not addition)}

• -2a + 6

• 16a + 6

• -2a + 2

• 2a + 2

( -6d + 2) - (7 + 2d)

• 4d + 9

• -4d - 5

• -8d - 5

• 8d - 9

Add these expressions (12x+14) + (4x-15)

• 16x - 1

• 35x

• 8x + 1

• 16x - 29