If x = 3-a and y = 4a+13, then for what value of a, x and y are equal?

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26 Nov 2020 Linear equation

If x = 3-a and y = 4a+13, then for what value of a, x and y are equal?

OPtion

1) -6
2) -3
3) 6
4) 3
5) -4
6) 4
7) -7
8) 7
9) -2
10) None of the above

Solution

If x = y,
Then, 3 – a = 4a + 13
5a = -10
a = -2

Correct Option: 9 Best Solution (3)