Answer:
the correct answer is -3.125
Step-by-step explanation:
First, distribute 2 to the (x+3) to get:
21 = 2x+6
subtract 6 from both sides to get:
15 = 2x
Finally, we divide both sides by 2 to simplify x to:
x = 7.5 (OR) x =

(Just so you know, if you pick a brainliest answer, both you and the person who got the brainliest answer get some points.
Mark points (0,0), (-1,-1), (1,-1), (-2,-4), (2,-4)
Answer:
Sorry can't see on school computer :(
Step-by-step explanation: