Question

Without finding the value of x and y find the value of x+y if x+2y=27 and 2x+y=33

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

x+2y=27 ______eq. 1

2x+y=33 ______eq

y=27-x/2

Putting in eq. 2nd

2x+27-x/2 = 33

4x-x+27=66

3x=66-27

x=13/1

x=13

y=27-13/2=7

y=7

So. x+y=20