Asked by B
Need help to simply:
3x+2y=-18
-2x+5y=-26
Please help. Thanks
3x+2y=-18
-2x+5y=-26
Please help. Thanks
Answers
Answered by
Steve
One way is elimination, where you multiply the equations to enable addition to eliminate one variable:
6x+4y = -36
-6x+15y = -78
now if you add them up you get
19y = -114
Thus, having y, you can now get x from either equation.
6x+4y = -36
-6x+15y = -78
now if you add them up you get
19y = -114
Thus, having y, you can now get x from either equation.
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