How do you solve 5/2x=10?

1 Answer
Aug 1, 2016

x = 4

Explanation:

5/2x" may be written" (5x)/2

That is (5x)/2=10

multiply both sides of the equation by 2 to eliminate the fraction.

color(red)(cancel(2)color(black)(xx(5x)/cancel(2)=color(red)2 xx10

we are now left with 5x = 20

divide both sides by 5 to solve for x

(cancel(5)^1 x)/cancel(5)^1=cancel(20)^4/cancel(5)^1rArrx=4" is the solution"

check: (5x)/2=(5xx4)/2=20/2=10" true"