Question

Each equation is followed by the values of
the variable Decide Whether these values
axe
the Solutions of the equation x-4=3, X=1,7,-7​

Answer 1

Answer:

(1) x−4=3, x=−1,7,−7

x−4=3

⇒  x=3+4

∴  x=7

∴  x=7 is the solution of equation.

(2)  9m=81, m=3,9,−3

9m=81

⇒  m=  

9

81

​  

 

∴  m=9

∴  m=9 is the solution of equation