Question

Please answer this question
Please it is very urgent

Substitute x = -1 , y = -2 , z = 3 in each expression and find it's value

a) -20x + 4y + 12z

b) -x -y -z ​​

Answer 1

Answer:

a. =========== 48

Step-by-step explanation:

b. ============0

Answer 2

$\huge\rm{\color{red}{An}{\color{orange}{Sw}{\color{gold}{Er❥}}}}$

$Given~values~of~x,y~and~z~are~:$

$x = -1,~y = -2,~z = 3$

$\large\tt{a) \: -20x+4y+12z}$

$\large\implies\tt\blue{-20(-1)+4(-2)+12(3)}$

$\large\implies\tt\blue{168}$

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$\large\tt{b) \: -x-y-z}$

$\large\implies\tt\blue{-1-2+(-3)}$

$\large\implies\tt\blue{-6}$

═══════════════════════════════════════════

$\huge\rm{\color{red}{Hope}~{\color{orange}{It}~{\color{gold}{Helps}~{\color{brown}{You!}}}}}$