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Step-by-step explanation:
13y - 24 = 50 - 11x
13y + 11x = 50 + 24
13y + 11x = 74
13y = 74 - 11x
y = 74 - 11x / 13. ----------------(1)
13x - 50 = 20 - 11y
13x + 11y = 70
11y = 70 - 13x
y = 70 - 13x / 11. ---――――----------(2)
Equating eq.1 & 2
74 - 11x / 13 = 70 - 13x / 11
814 - 121x = 910 - 169x
169x - 121x = 910 - 814
48x = 96
x = 2
Putting x = 2 in equ. 2
y = 70 - 26 / 11
= 44 / 11
y = 4
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