Which of the following is not an equivalent expression to -12 - 7x?
-12 + (-7 x)
-7 x - 12
-7 x + 12
-7 x + (-12)

-7 x + 12

Step-by-step explanation:

In this case, the 12 is positive unlike the expression which is -12.

answer:

it will cost 480 dollars to refurbish the larger wood floor

step-by-step explanation:

as it's a ratio of 4 that costs 384 dollars, divide the price by the ratio

384 / 4 = 96 dollars

96 dollars per unit of the ratio

now to get the price to refurbish the larger wood floor, times the price by the units

96 * 5 = 480