sofiyashemedyuk sofiyashemedyuk

19-06-2018
Mathematics

contestada

Tell whether the ordered pair (-3,5) is a solution of the system

Tell whether the ordered pair 35 is a solution of the system class=

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MrGumby MrGumby

28-06-2018

It is a solution to the system. The best way to tell this is to try the ordered pair in each of the equations.

2x - 3y = -21
2(-3) - 3(5) = -21
-6 - 15 = -21
-21 = -21 (TRUE)

3x - y = -14
3(-3) - (5) = -14
- 9 - 5 = -14
-14 = -14 (TRUE)

Since both equations come out true, it must be a solution.

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