Question

solution for 45/56=12/x

Answer 1

$\frac{42}{56} = \frac{12}{x} \\ \frac{3}{4} = \frac{12}{x} \\ \frac{1}{4} = \frac{4}{x} \\ x=16$

Answer 2

Heya user☺☺

42/56 = 12/x
x = 12× 56/42
= 224/14
= 16

Hope this will help