Help solve 11 and 13 thanks

Answer:
Step-by-step explanation:
11) (-1, 4) (-5, 6) (-3, 10) Since it is reflected upon the y-axis it is the negative version of the x.
13) it is x = 5 because 2(x+1) is 2x+2 and so subtracting that from 3x you'd get x - 2 = 2x - 7. Simplifying that would be 5 = x.