Question 887530
{{{x=abs(A[x])/abs(A)}}}
a) {{{A=(matrix(2,2,3,5,5,7))}}}
{{{b=(matrix(2,1,33,51))}}}
[A][x]=[b]
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b) {{{y=abs(A[y])/abs(A)}}}
{{{A[y]=(matrix(2,2,3,33,5,51))}}}
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c) {{{x=(-24)/(-4)=6}}}
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d) {{{y=(-12)/(-4)=3}}}
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e) (6,3)
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f)
{{{3x+5y=33}}}
{{{5y=-3x+33}}}
{{{y=-(3/5)x+33/5}}}
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{{{graph(300,300,-2,10,-2,10,-(3/5)x+33/5)}}}
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{{{5x+7y=51}}}
{{{7y=-5x+51}}}
{{{y=-(5/7)x+51/7}}}
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{{{drawing(300,300,-2,10,-2,10,grid(1),circle(6,3,0.2),graph(300,300,-2,10,-2,10,-(3/5)x+33/5,-(5/7)x+51/7))}}}
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