solve: 4x + 5y = 97 and 5x + 4y = 101
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Answered by
4
Step-by-step explanation:
adding them, 4x+5x +4y+5y = 97+101
so, 9x+9y= 198
so, 9(X+y) = 198
so, X+y= 22
subtracting them, 4x+5y-5x-4y = 97-101
so, -x+y= -4
so, x-y = 4
(X+y) + (x-y) = 22+4
2x = 26
X= 13
y= 22-x
y=22-13
y= 9
Answered by
1
Answer:
(x=13,y=9)
explanation is given in the form ma image by handwritten form
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