2 x minus y + 5 + x minus 5 Y - 7 find the value if X equal to 2 and Y equal to -1​

Answers (1)

=>  2x - y + 5 + x - 5y - 7     Put x = 2 and y = -1​

=> 2(2) - (-1) + 2 - 5(-1) -7

=> 4 + 1 + 2 + 5 - 7

=> 5

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