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

Find x and y

User Coltuxumab
by
8.3k points

2 Answers

5 votes
X equals 5 and y equals 9
User Gomes
by
8.5k points
5 votes

Answer:

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

User Dallas Johnson
by
8.4k points

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