find X and Y if (3X , X+Y) = (9,3)
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Step-by-step explanation:
It is given that 3x = 9
So, 3x = 9
x = 9/3
x = 3
We find that x = 3
Then, x + y = 3
3 + y = 3
y = 3 - 3
y = 0