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Mathematics 9 Online
OpenStudy (anonymous):

evaluate x-2y if x= -3 and y = -6 15 9 -9 -15

OpenStudy (♪chibiterasu):

Plug in the numbers.

OpenStudy (anonymous):

??

OpenStudy (♪chibiterasu):

-3 - 2(-6)

OpenStudy (anonymous):

6y-3?

OpenStudy (♪chibiterasu):

No

OpenStudy (♪chibiterasu):

We replaced y with -6 . . .

OpenStudy (♪chibiterasu):

it says that x = -3 and y = -6

OpenStudy (anonymous):

im confused sorry.

OpenStudy (anonymous):

But i think the answer is 9.

OpenStudy (♪chibiterasu):

yes

OpenStudy (♪chibiterasu):

why do you think it's 9?

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