Question

X + y = k 2x + 3y = k + 1 The point of intersection of the lines has an x-coordinate of

A) 2k + 1
B) -2k + 1
C) 2k - 1

Answer 1

it is 2k+1 k+k+1=2k+1

Explanation:

k+k+1=2k+1

Answer 2

I agree C is the answer.