If twice a certain integer is subtracted from 5 time...
If twice a certain integer is subtracted from 5 times the integer, the result is 63. Find the integer.
21
9
7
4
3
Correct answer is A
Let the integer = y
∴∴ 5y - 2y = 63
3y = 63 ⟹⟹ y = 21
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