Solve the equation 5x−312=1. The value of x is
2
3
4
None of these
5x−312=1⇒5x−3=1×12⇒5x−3=12⇒5x=12+3⇒5x=15⇒x=155⇒x=3
Solve the equation 17(2−x)−5(x+12)1−7x = 8