Answer:
r=0
Explanation:
2(2r+8) = 3r + 16
2×2r + 2×8 = 3r + 16
4r + 16 = 3r + 16
4r + 16 - 3r = 3r + 16 - 3r
r + 16 = 16
r + 16 - 16 = 16 - 16
r = 0
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