Question

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

(12) y − 4 = 0

Answer 1

When the value of y is 5:
y − 4
$\Rightarrow$5 − 4
= 1

When value of y is 4:
y − 4
$\Rightarrow$4 − 4
= 0

y = 4 satisfies the equation y − 4 = 0.