Respuesta :

Jeffharriaon
Answer = 18


If you mean x times 3 and y times 3, x= 8 and y = 2 so (8*3)-(2*3)=18
rosh18

Answer:

[tex]18[/tex]

Step-by-step explanation:

[tex]x + y = 10 (1)\\ x - y = 6(2) \: \\ 2y = 4 \: \: ie \: y = 2 \\ x + y = 10 \\ x = 10 - 2 \\ x = 8 \\ x3 - y3 = (8 \times 3) - (2 \times 3) \\ = 24 - 6 \\ = 18[/tex]

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