exam Maths Puzzle Numerical Ability

simplify
a)
5
____
12xy

+
3
_
4x

b)
r
__
r-5

-

5
_
r-5

Read Solution (Total 0)

exam Other Question

Thanks for your continued help.
Can you Solve the following 2 equation:
x^2e^x-5xe^x=0

5^3x=5^4x-2 0.3(z-10) - 0.5z =-6 I need the process more than anything - nothing seems clear. 1st get rid of parenths, then distrubute?