What is the sum of r? – 3x + 7 and 3×2 + 5x – 9? ~ 472 – 8x +

What is the sum of r? – 3x + 7 and 3×2 + 5x – 9?

~ 472 – 8x + 2
4×2 + 2x + 16
C 42 – 2x – 2
D 4r + 2x – 2


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