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Linear Algebra
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OpenStudy (anonymous):
40x + 30y = 3960 40x = 30y + 360
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OpenStudy (anonymous):
Solving to find x then y
OpenStudy (anonymous):
please help!!!!!!
OpenStudy (kc_kennylau):
Have you tried substituting the second equation to the first? :)
OpenStudy (anonymous):
put the value of 40x from 2nd equation in first
OpenStudy (anonymous):
Not all that good with substituting :)
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OpenStudy (kc_kennylau):
you could make 30y the subject of the second equation and substitute that :)
OpenStudy (anonymous):
|dw:1384912736683:dw|
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