Question

Pick out the solution from the values given in the bracket next to each equation. show that the other values do not satisfy the equation.

$8x+4=12(0,2,1)$

Answer 1

$x$	$LHS$	$RHS$
$0$	$8x+4=(8\times 0)+4=4$	$12$	$LHS\ne RHS$
$2$	$8x+4=(8\times 2)+4=20$	$12$	$LHS\ne RHS$
$1$	$8x+4=(8\times 1)+4=12$	$12$	$LHS=RHS$