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makkiz [27]
3 years ago
13

Solve 7x – 9 = 28 + 4(x – 1).

Mathematics
1 answer:
lidiya [134]3 years ago
7 0
7x - 9 = 28 + 4x - 4
7x - 4x = 28 - 4 + 9
3x = 33
x = 11
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