Question

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

Answer 1

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.