benkolasa03 benkolasa03

18-02-2020
Mathematics

contestada

What is the result of adding these two equations? 2x+7y=4
-2x-8y=-2

Respuesta :

pizzaburgers pizzaburgers

18-02-2020

Answer:

y= -2

Step-by-step explanation:

2x and -2x add to 0

7y and -8y add to -y

4 and -2 add to 2

divide by-1 to move the negative from the y to the 2.

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