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Mathematics 12 Online
OpenStudy (anonymous):

Expand then evaluate when x=4 and y=-1 4(3-2x+7y) a. 8 b. -12 c. -48 d. 4

OpenStudy (anonymous):

8

OpenStudy (anonymous):

The first thing you want to do is re-right the problem 4(3-2*4+7*1)

OpenStudy (anonymous):

-48 4(3-2x+7y) 4(3-2*4+7*-1) 4(3-15) 4(-12) -48

OpenStudy (anonymous):

After that you just use the order of operation and the Your done :)

OpenStudy (anonymous):

no your wrong...

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