Determine 5117

Determine x, y:

x + y = 10
x: y = 10

Correct answer:

x =  9.0909
y =  0.9091

Step-by-step explanation:


x+y=10
x=10y

x+y=10
x=10·y

x+y = 10
x-10y = 0

Row 2 - Row 1 → Row 2
x+y = 10
-11y = -10


y = -10/-11 = 0.90909091
x = 10-y = 10-0.90909091 = 9.09090909

x = 100/11 ≈ 9.090909
y = 10/11 ≈ 0.909091

Our linear equations calculator calculates it.



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