lf 2x+3y =13 and 3x+2y =12 then find x+y?
Answers
Answered by
26
Answer:
2,3
Explanation:
That is a System of equation to be solved
2x + 3y = 13 Eq. (1)
3x + 2y = 12 Eq. (2)
9x + 6y = 36 Eq. (2) × 3
4x + 6y = 26 Eq. (1) × 2
---subtract-----------------
5x = 10
x = 10/5 = 2
6x + 9y = 39 Eq. (1) × 3
6x + 4y = 24 Eq. (2) × 2
---subtract-------------------
5y = 15
y = 15/5 = 3
(x, y) = (2, 3)
Answered by
4
Answer:
the above answer is correct.
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