It does nothing!
4x + 6y = 24
7x + 6y = 9
Subtracting the first equation from the second gives:
3x = - 15 so that x = -5
Substituting the value of x in the first equation gives
-20 + 6y = 24 so that 6y = 44 and so y = 22/3 or 71/3
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4x+6y=62 -6x+6y=-18 what is the ordered pair
y=4x+2
yes
It is: x = -3 and y = -6 or as (-3, -6)
Subtracting gives: 10x = 80 so x = 8 and y = 5