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puteri [66]
3 years ago
12

X - 13 = 5x + 7 a) -5 b) 3 c) 6 d) 2

Mathematics
1 answer:
Alex3 years ago
6 0

x-13=5x+7\ \ \ \ |+13\\\\x=5x+20\ \ \ \ |-5x\\\\-4x=20\ \ \ \ |:(-4)\\\\x=-5\\\\Answer:\ a)\ -5

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