Question

if x=2, y=1 is a solution of the equation 2x + by = 5, find the value of 'b'.
please answer this question friends..​

Answer 1

$\sf \Large Solution!!$

$\sf \large Given:$

$\sf \to x=2$

$\sf \to y=1$

$\sf \large So,$

$\sf \to 2x+by=5$

Putting the values of x and y, we get,

$\sf \to 2(2)+b(1)=5$

$\sf \to 4+b=5$

$\sf \to b=5-4$

$\sf \bigstar \blue{b=1}$