ICSE Class 9 Answered
How to solve By elimination method
![table attributes columnalign left end attributes row cell 6 x plus 5 y equals 5 end cell row cell 2 x minus 27 equals 11 y end cell end table](https://static.topperlearning.com/public/wiris/ckeditor4/plugins/ckeditor_wiris/integration/showimage.php?formula=e05fe761fc6e36fd716c825ff1b5ccfd)
Asked by eshaanbayale51.9spicertl | 02 Jun, 2020, 13:46: PM
6x + 5y = 5 ... (1)
2x - 27 = 11y
→ 2x - 11y = 27 ... (2)
Multiply (1) by 11 and (2) by 5, we get
66x + 55y = 55 .... (3)
10x - 55y = 135 .... (4)
Adding (3) and (4), we get
76x = 190
→ x = 5/2
From (1),
5y = 5 - 6× 5/2
→ 5y = 5 - 15 = -10
→ y = -2
The solution is x = 5/2 and y = -2.
Answered by Yasmeen Khan | 02 Jun, 2020, 14:54: PM
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