Question

What is the solution for this equation?

Answer 1

Sol-1

$\\ \sf\longmapsto |y-12|=21$

$\\ \sf\longmapsto y+12=21$

$\\ \sf\longmapsto y=21-12$

$\\ \sf\longmapsto y=9$

Sol:-2

$\\ \sf\longmapsto y-12=21$

$\\ \sf\longmapsto y=21+12$

$\\ \sf\longmapsto y=33$