Question

X/2+6=9 do this question by trial and error method . please help me to find out the Ans​

Answer 1

we have 6 and we need 3 more so, x would be 6

$\frac{x}{2} + 6 = 9$

$\frac{x}{2} = 9 - 6$

$\frac{x}{2} = 3$

$x = 3 \times 2$

$x = 6$