Question

If equation is x + y = 3 and x - y = 7 then the value of x will be?

A) 0
B) -3
C)-2
D)2
Its on the topic Simultaneous equations

Answer 1

Yea the other person is correct the x= 5 and the y= -2

Have a nice day

Answer 2

x = 5

Explanation:

Add the equations

x + y = 3

x - y = 7

––––––––

2x = 10

Divide both sides by2

x = 5

Note: for the equations in the question,

none of the given answers are correct.