OpenStudy (anonymous):

Simplify the following expression. I'm pretty sure the answer is -3y + 8z, but I wanted someone else's opinion. :) 2x - 2y + 5z - 2x - y + 3z x - 3y + 8z 2x - 2y + 8z 3y + 8z -3y + 8z

4 years ago
OpenStudy (skullpatrol):

Correct

4 years ago
OpenStudy (anonymous):

2x - 2x is 0. -2y-y is -3y 5z + 3z is 8z So yes, you are correct. It is -3y + 8z. Good job :)

4 years ago
OpenStudy (anonymous):

Thanks, both of you! :D

4 years ago
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