Asked by Michelle

determine whether the following pairs is a solution of 4p-3p=22 ,(2,7)(-1,6)
Answered by DQR
Do you mean 4q-3p? If so, the first one fits the bill (i.e. 4x7 - 3x2 = 22). And did you mean to include more than just two pairs of points?
Answered by Robin
elimination method
2r-7s =-1
7r+2s=23
_________
9r -5s= 22
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