Asked by Hafaat
Solve 3x+y=25, xy=8 using substitution method
Answers
Answered by
Ms Pi 3.14159265358979323
3x + y = 25
can be arranged to get y alone : )
y = -3x + 25 now
sub that into xy = 8 and solve for x
can be arranged to get y alone : )
y = -3x + 25 now
sub that into xy = 8 and solve for x
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