X + y = 6. 2x - y = 3. The system of equations. . . a.has no solution. b.has one solution. c.is coincident

Question

asked Nov 5, 2017 166k views

2 Answers

Rebecca Nelson · Answer 1 · 2017-11-09T17:57:12+0000

Answer:

The answer is the option B

The system has one solution

Explanation:

we have

x+y=6 ------> equation A

2x-y=3 ------> equation B

Adds equation A and equation B

$x+y=6\\2x-y=3\\-------\\2x+x=6+3\\3x=9\\x=3$

Find the value of y

Substitute the value of x in equation A or equation B

3+y=6

y=3

therefore

The system has one solution