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Mathematics 21 Online
OpenStudy (anonymous):

i cant seem to get it right,a=-5 and b=-2: 7a – 8b - 4(6a - 3) + 5b

OpenStudy (anonymous):

what are we looking for here?

OpenStudy (anonymous):

the answer, 79 91 103 or -67

OpenStudy (anonymous):

plug -5 and -2 into their respective places. after that, just multiply and add/subtract it all out.

OpenStudy (anonymous):

|dw:1363999911988:dw|

OpenStudy (anonymous):

looks good.

OpenStudy (anonymous):

|dw:1364000042112:dw|

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