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Find the sum of (12x + 5y) and (-3x - 7y)

Sagot :

Answer:

B. 15x + 12y

Step-by-step explanation:

sum of 5x +7y - 12 and 3x -5y +2= 5x +7y- 12 + 3x - 5y +2 = (5+3)x +(7-5)y + ((-12)+2) = 8x + 2y -10.

correct me if I'm wrong ^u-u^

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