Question

If xcube+ycube what is the value of x?
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Answer 1

Answer:

Here we can make it by elimination method as follows

x+y=5 - eq1

x-y=3 - eq2

so, by equating we have 2x =8

Thus, x=4 .Then its cube 64

Now as we found x so by putting its value in any equation we wil have y = 1 so its cube =1

Step-by-step explanation:

Answer 2

Answer:

x³ + y³

Step-by-step explanation:

if x is 1

y is 2

1³ + 2³ = 1 + 8 = 9

so, x is 1

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