raspberrystraw raspberrystraw

21-08-2015
Mathematics

Answered

if 5c-2b=15 and 3b-4c=12, what is the value of b+c?

A-27
B-3
C8
D27
Ecannot be determined with the information given

Verified Answer :

soccerabby11 soccerabby11

21-08-2015

d).

using linear combinations you can add the 2 rows and it will get you b+c=27.

-2b+5c=15
3b-4c=12

b+c=27

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