Question

(3x + 4) 14
Here is her work for the problem:
12
-
=
12-(3x + 4) = 14
-36x+48=14
-418-48
-3√6x=-34
-36
-36
X = 17/18 or 0.94
Is Queen Beyoncé correct or incorrect?
If she's incorrect, what did she do
wrong?