jonathandmeadow jonathandmeadow

20-10-2017
Mathematics

contestada

Tell if each is a solution to the equations (3, -6) for 5x - y = 21

Respuesta :

cedarwood79 cedarwood79

20-10-2017

Hello! The solution to this equation does work, because 5 * 3 is 15. When you subtract a negative, you’re actually adding. 15 + 6 is 21. 3 is x and -6 is y. When the values are plugged into the equation, they work.

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