Answer:
a no solution
b is all real numbers
c x=12
Step-by-step explanation:
a has no values of x that make it true
b any value of x makes it true
c simplify both sides of the equation then isolate x
y=5/2 - 3x/4
2352
(100 - 2) x 24 = 2400 - 48 = 2352
7