Question

solve and check the solution in the following equation 1. X+7=9​

Answer 1

Step-by-step explanation:

x + 7 = 9

x = - 7 +9

= 2

For checking equation,

Substitute value of x= 2

L. H. S = x + 7

= 2+7 = 9

R. H. S = 9

L. H. S = R. H. S

Therefore, x= 2