Adding and Subtracting Expressions
(x+6) + (3x+3)
(12-7y)+(4y+10)
(-8x-13)+(2x-9)
(4p+6q-11r)+(-8p+6q-3r)
What is the perimeter of the figure?
(13x - 9y) - (4x + 10y)
(12x + 3y) - (6x + 2y - 4)
(m + 3n) - (5m + 7n)
(8a - 6b - 3) - (-2a + 4b + 7)
What is the perimeter of the figure?
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