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Mathematics 20 Online
OpenStudy (anonymous):

Evaluate x – y + z if x = 12, y = 20, and z = -9. A. 23 B. -17 C. -41 D. 1

OpenStudy (anonymous):

input 12 for x, 20 for y, and -9 for z. It would look like: 12 - 21 + -9

OpenStudy (muzzack):

well we subtitute each one then use PEMDAS to solve the equation and your \(\Large\frak\color{green}\ Finsished \)

OpenStudy (anonymous):

D I say

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