any SMART PERSON HERE to solve it No.4
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8(x+y)=10x+y.............(1)
8x+8y-45=10y+x........(2)
-2x+7y=0
7x-2y=45......(3)
(-2x+7y=0)×7
(7x-2y=45)×2
-14x+49y=0
14x-4y=70
45y=70
y=70÷45=2
substituting value of y in (3)
7x-4=45
7x=49
x=7
HOPE THAT IT WILL HELP YOU......THANK YOU.......AND NOT FORGET TO MARK MY ANSWER AS BRAINLIEST......
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