Question

10 x + z - y for x = 3 , y = - 5 , z = 7

Answer 1

$42$

Step-by-step explanation:

$Given, \: \: x = 3 , \: y = - 5 , \: z = 7 \\ putting \: \: values \\ A/Q, \: \: the \: \: value \: \: of \: \: 10x+z-y \\ = 10 \times (3) + (7) - ( - 5) \\ = 30 + 7 + 5 \\ = \boxed{ 42}$