1 Answers
X y
X+y =90
Y=90-x
Y=90-48
Y=42
X=8(x-y)
x=8x-8y
x-8x=-8y
-7x=-8y
7x=8y
7x=8(90-x)
7x=720-8x
15x=720
X= 720/15
x=48
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Answered
X y
X+y =90
Y=90-x
Y=90-48
Y=42
X=8(x-y)
x=8x-8y
x-8x=-8y
-7x=-8y
7x=8y
7x=8(90-x)
7x=720-8x
15x=720
X= 720/15
x=48