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OpenStudy (anonymous):
(-2, -1) is a solution of the equation 4x + 5y = -13. True or false
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OpenStudy (lgbasallote):
is 4(-2) + 5(-1) = -13?
OpenStudy (amorfide):
(-2, -1) is a coordinate the standard co ordinate is this (x,y) -2=x -1=y substitute the values into your equation
OpenStudy (amorfide):
4(-2) +5(-1)=-13 is correct
OpenStudy (anonymous):
@amorfide Thanks that was my last question finally thanks..
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