coachharriott coachharriott

04-02-2020
Mathematics

contestada

Tell whether (-5, -6) is a solution of

x - 2y = 7
y - x = -1

Respuesta :

emilyjean082003 emilyjean082003

04-02-2020

Answer:

(-5, -6) is a solution.

Step-by-step explanation:

x - 2y = 7

-5 - 2(-6) = 7

-5 - (-12) = 7

-5 + 12 = 7

7 = 7

y - x = -1

-6 - (-5) = -1

-6 + 5 = -1

-1 = -1

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