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16.07.2019 •
Mathematics
For the ordered pair (x,-5), what x-value satisfied the equation y = -2x+3?
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Ответ:
-5 = -2x + 3
-5 - 3 = -2x + 3 - 3
-8 = -2x
-8/-2 = -2x/-2
x = 4
The ordered pair (4,-5) satisfies y = -2x+3.
Ответ:
-5 is plugged in for y and then solve for x
-5=-2x+3
-8=-2x
-8/-2=-2x/-2
4=x
Ответ:
He didn't do it as rise over run, or y2-y1/x2-x1
He did it reverse, which is incorrect.