1. If 2x/5y=6,what is the value of y, in terms of x ?

2. 11/4-a=3 , What is the value of a in the equation ?

2 answers

1. What you probably meant was

2x/(5y) = 6
then 2x = 30y
y = 2x/30 = x/15

2. Again, without brackets, we could assume you meant
11/(4-a) = 3
but I will take you at face value and do it according to the order of operation.

11/4 - a = 3
11/4 - 3 = a
a = 11/4 - 12/4
a = -1/4

using 11/(4-a) = 3
11 = 12 - 3a
3a = 1
a = 1/3

Can you see how critical brackets are when typing on here?
thank you
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