5x + Зу = 35
2х+ Чу =28
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Step-by-step explanation:
5x +. 3y =. 35. × 4
2x +. 4y. = 28. × 3
_____________
20x + 12y = 140
6x. +. 12y = 84
______________
14 x = 60
x = 60/14 = 30/7
putting value of x in equation first``
5x + 3y = 35
5 {30/7 } + 3y = 35
150/7 + 3y = 35
3y = 35- 150/7....
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