Question

Evaluate : { 2x - 9y + z} When x = 2, y = -1 and z = 4​

Answer 1

Answer:

17

Step-by-step explanation:

(2)(2)-9(-1)+4

4+9+4((( (-)(-)=+)))

=17

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Answer 2

$\huge\colorbox{blue}{hope \: it \: helps \: you}$