Any line y = a
<span>y = x, for x = -x, y = -x => y = -y </span>
<span>y = 2x, for x = -x, y = -2x => y = -y</span>
Answer: x = 17
Step-by-step explanation:
2+x = 2x-15
subtract x on both sides
2 = x -15
add 15 to both sides
17 = x
------------------
17+2 = 2(17)-15
19 = 34 -15
19 = 19
First it shows 33 points and ok