solve for x and check : - 3 x = 12
"solution : dividing each side by - 3 , we obtain ( - 3 x / - 3 ) = ( 12 / - 3 ) therefore : x = - 4 check : - 3 x = 12 ( - 3 * - 4 ) = 12 12 = 12 answer : a"
multiply(3, divide(12, 3))