What is the solution to this system of linear equations? 2x 3y = 3 7x – 3y = 24 a.(2, 7) b.(3, –21) c.(3, –1) d.(9, 0)

Question

asked Jan 9, 2017 99.7k views

2 Answers

Cletus · Answer 1 · 2017-01-16T03:47:09+0000

Answer:

The solution is the option C

(3,-1)

Explanation:

we have

2x+3y=3 -----> equation A

7x-3y=24 -----> equation B

Adds equation A and equation B

$2x+3y=3\\7x-3y=24\\---------\\2x+7x=3+24\\9x=27\\x=3$

Find the value of y

2(3)+3y=3

6+3y=3

Subtract
both sides

3y=3-6

3y=-3

Divide by
both sides

y=-1

The solution is the point
(3,-1)