Question

2x + 7y=3
x=-4y

Find x and y

Answer 1

X equals 5 and y equals 9

Answer 2

x = 12

y = -3

Explanation:

2x + 7y= 3

x= -4y

So we get rid of a variable:

2x + 7y=3

x + 4y = 0

2x + 7y=3

2x + 8y = 0

(Get rid of 2x)

-y = 3

y = -3

We put -3 in one of 2 equation:

x = -4 * -3

x = 12