Question

X-y=3

work out the value of 5(x-y)

work out the value of 2x-2y
k
work out the value of y-x

Answer 1

1

Explanation:

Answer 2

Question:-

If x - y = 3

Work out the value of 5(x - y)

Answer:-

x - y = 3 ( Given )

`\therefore` 5(x - y) = 5 × 3 = 15 [ as x - y = 3 ]

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Question:-

If x - y = 3

Work out the value of 2x - 2y

Answer:-

x - y = 3 ( Given )

`\therefore` 2x - 2y = 2(x - y) = 2 × 3 = 6 [ as x - y = 3 ]

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Question:-

If x - y = 3

Work out the value of y - x

Answer:-

x - y = 3 ( Given )

`\therefore` y - x = -3 [ as x - y = 3 ]

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