How do you solve 1/a=2/14?

2 Answers
Jan 29, 2017

a=7

Explanation:

The right side of the equation can be simplified.

rArr2/14=cancel(2)^1/cancel(14)^7=1/7

Since the fractions are equal.

1/a=1/7rArra=7

Jan 29, 2017

See the entire solution process below:

Explanation:

First, multiply each side of the equation by color(red)(14)color(blue)(a) to eliminate the fractions while keeping the equation balanced:

color(red)(14)color(blue)(a) xx 1/a = color(red)(14)color(blue)(a) xx 2/14

color(red)(14)cancel(color(blue)(a)) xx 1/color(blue)(cancel(color(black)(a))) = cancel(color(red)(14))color(blue)(a) xx 2/color(red)(cancel(color(black)(14)))

14 = 2a

Now, divide each side of the equation by color(red)(2) to solve for a while keeping the equation balanced:

14/color(red)(2) = (2a)/color(red)(2)

7 = (color(red)(cancel(color(black)(2)))a)/cancel(color(red)(2))

7 = a

a = 7