Question

if 11 x + 4 y = 33 and 4 x + 11 y = _12 ,then x +y = ?

Answer 1

Answer:

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Step-by-step explanation:

11x + y =33/4 = 8.25

x+y = 8.25/11

the value of x= 4.13 and the value of y = 4.12

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