Ask your own question, for FREE!
Mathematics
OpenStudy (anonymous):

2(ax-by)+a+4b=0 2(bx+ay)+b-4a=0 find value of x & y by cross multiplication

OpenStudy (anonymous):

maybe solve for a in top eq plug it back to bottom eq

OpenStudy (shubhamsrg):

you know how to solve/evaluate determinants mam? cross multipication is the same thing..

OpenStudy (shubhamsrg):

not exactly the same,,but similar..

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!