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Mathematics 9 Online
OpenStudy (anonymous):

Evaluate the following expression using the given values: Find x - 3y if x = 3 and y = -2.

OpenStudy (anonymous):

take x - 3y, replace any x you see with 3 and replace any y you see with -2, because x equals 3 and y equals -2

OpenStudy (anonymous):

after doing that just find the value of the expression which should then only contain numbers

OpenStudy (anonymous):

i did but i still got confused, It'd be ; 3 - -1, or something like that ?

OpenStudy (anonymous):

if x = 3 and y = -2, just plug in and solve

OpenStudy (anonymous):

x - 3y

OpenStudy (anonymous):

(3) - ((3)(-2)) (3) - (-6) two negatives cross out each other and makes it possitive

OpenStudy (anonymous):

3+9 = 12

OpenStudy (anonymous):

sorry forget abuot that ^

OpenStudy (anonymous):

3 + 6 = 9

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