x2-x3=x4+12. Solve it.
Consider the given equation,
x2-x3=x4+12⇒x2-x3-x4=12⇒6x-4x-3x12=12⇒-x12=12⇒x=-122∴x=-6
Thus, the solution is x=-6.
Solve for x:x−23=2x7
Find limx→0 f(x) where f(x) = {x|x|x≠00x≠0