(12x + 9y) + (-2y) - (4x - 3y)
12x + 9y - 2y - 4x + 3y
12x - 4x + 9y - 2y + 3y
8x + 10y
Savannah J.
asked 02/07/20(12x + 9y) + (-2y) - (4x - 3y)
12x + 9y - 2y - 4x + 3y
12x - 4x + 9y - 2y + 3y
8x + 10y
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