If x= 1, y = -1, z = 2, find the value of
$5 x - 3 y + z$

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Solution

Given :
$5 x - 3 y + z substitutingthevalueof x = 1, y = - 1, z = 2 = 5 (1) - 3 (- 1) + (2) = 5 + 3 + 2 = 10$
Hence, the required solution is $10$

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