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r-ruslan [8.4K]
3 years ago
12

10 - 3(3x - 40) = -9x A)x = -9 B)no solution C)x = 10 D)all real numbers

Mathematics
1 answer:
Fantom [35]3 years ago
3 0
Remove the brackets on the left
10 - 9x + 120 = - 9x You get a bizarre result no matter what you try to do to resolve this. If you say any number will do pick, a number at random for x. Say 10

10 - 90 + 120 = -90 Is this statement true? No. You only need 1 exception but 0 is a popular number to look for answers. Will it work?
10 - 0 + 120 = 0 That doesn't work either.

There is no number you could pick that that would give you anything but 10 + 120 = 0

B <<<<<< No Solution 
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