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25 votes
X + y = 2 and x - y = 4

User Bherbruck
by
8.1k points

2 Answers

1 vote

Answer:

x=3

y=-1

Explanation:

Add both equations.

x+y=2

x-y=4

2x=6

Divide 2 from both sides.

x=3

Plug in 3 for the x values into one of the equations.

x+y=2

3+y=2

Subtract 3 from both sides.

y=-1

Hope this helps!

If not, I am sorry.

User Whisperstream
by
8.0k points
3 votes

Answer:

x=3

y=-1

Explanation:

add

x+y+x-y=2+4

2x=6

x=6/2=3

3+y=2

y=2-3=-1

User Muhuk
by
8.2k points

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