Question

Solve each of the following equation by choosing proper values for the variable in it.

(4) 5 = 7 − p

Answer 1

When p = 1:
7 − p
$\Rightarrow$7 − 1
= 6

When p = 2:
7 − p
$\Rightarrow$7 − 2
= 5

Thus, p = 2 satisfies the equation 5 = 7 − p.