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OpenStudy (anonymous):
-5x - 3y = -16 -x + 9y = 64 elimination method
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OpenStudy (ajprincess):
Multiply the second eqn by -5 and tell me vat u get. Can u?
OpenStudy (anonymous):
5x-45y=320
OpenStudy (anonymous):
Good! Now add it to the first one. Please tell us what do you get.
OpenStudy (ajprincess):
Vat do u get?
OpenStudy (anonymous):
x-48y=48
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OpenStudy (ajprincess):
Can u try again? -5x - 3y = -16-(1) 5x-45y=320-(2) Add (1) and (2) Nw plz tell vat u get?
OpenStudy (jiteshmeghwal9):
First try to make one of the variable equal in both of the equation like\[2(-5x-3y)=(-16)2\]\[10(-x+9y)=(64)10\]
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