How do you solve 18f=-216?

2 Answers
Mar 1, 2017

See the entire solution process below:

Explanation:

Divide each side of the equation by color(red)(18) to solve for f while keeping the equation balanced:

(18f)/color(red)(18) = -216/color(red)(18)

(color(red)(cancel(color(black)(18)))f)/cancel(color(red)(18)) = -12

f = -12

Mar 1, 2017

f=-12

Explanation:

18f = -216

divide both sides of the equation by 18

(18f)/color(green)18 = -216/color(green)18

18/18 = 1, so we can simplify

1f= f = -216/18

Then divide it out to get the final answer

f=-12