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jpw00blue
New Member

USA
1 Posts

 Posted - 03/29/2012 :  20:12:48 Can this be -b and m as well as b and -m ?Give what each equation must be to eliminate the term containing x.mx - ny = zbx - ny = rAND Solve for x and y.ax+by = rax+ cy = sCan it be both x= bs-cr/a(b-c) or x= cr-bx/ac-ab y= s-r/c-b or y= r-s/b-c

royhaas
Moderator

USA
3059 Posts

 Posted - 03/30/2012 :  07:56:11 Multiply numerator and denominator by -1 so that you see that both forms are equivalent.
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