Answer:
$42
Step-by-step explanation:
the variable x is the cost of the camera at best buy
the equation should be =
since the cost of the camera is 2/3 of the original price then it should be the same as 1/3 of the original price. (1 - 2/3 = 1/3)
therefore, x = 126 x 1/3 = $42
