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denis-greek [22]
3 years ago
14

What have I done wrong and where please help me

Mathematics
1 answer:
lys-0071 [83]3 years ago
6 0
12x - 18 - 4x -2
12x - 4x = 8x (yours 12x - 4x = 8)
-18 - 2 = -20 (yours -18 -1 = 17)

answer:

8x - 20
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