Simplify and solve each of the following equations.
a. d + d + 10 = 50
b. 30 – f + 8f = 30
c. –12 = 4e + 23 + e
d. 42 = 32 – 6f – 4f

I'll give brainliest if you answer right : )

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187