Adding/Subtracting Linear Expressions - math 7

(4x + 8) + (7x + 3)

11x + 11

(-3x +7) + (-6x + 9)

-9x + 16

(x - 10) + (3x - 6)

4x - 16

(-2x - 10) + (3x - 6)

x - 16

2(x + 14) + (2x - 14)

4x + 14

(11x - 8) + 7(x - 1)

18x - 15

A rectangle has side lengths (2x- 5) meters and (2x + 6) meters. Write a linear expression in simplest form to represent the perimeter. Find the perimeter if the value of x is 12 meters.

8x + 2 ; 98 m

Find the sum of (x + 5), (-4x - 2), and (2x -1).

-x + 2

(-3.5x + 1.7) + (9.1x - 0.3)

5.6x+ 1.4

(0.5x + 15) + (8.2x - 16.6)

8.7x - 1.6

(4x + 8) - (7x + 3)

-3x + 5

(-3x +7) - (6x + 9)

-9x - 2

(4x - 10) - (3x - 6)

x - 4

(-5h + 6k) - (4h + k)

-9h + 5k

(12m + 14n) - (m + n) - (6m + 7n)

5m + 6n

(-8w + 11) - (-8w + 11)

0