How do you solve 10 1/2 = x + 1 1/2 1012=x+112?

1 Answer
Feb 16, 2016

99

Explanation:

Isolate xx on the right-hand side by subtracting 1 1/2112 from both sides

10 1/2-1 1/2=x + cancel(1 1/2)- cancel(1 1/2)

This is equivalent to

(10 * 2 + 1)/2 - (1 * 2 + 1)/2 = x

21/2 - 3/2 = x implies x = 18/2 = 9