You add 1 to the numerator each time
<span>-6f+13=2f-11
-6f - 2f = -11 - 13
-8f = -24
f = 3</span>
False in a triangle 2 sides are the same and one is different
45 - 22 = 23
c + 22 = 45
23 + 22 = 45
I hoped this answered the question correctly! Have a great day!!:)