13x + 7x - 4x = -40
combine like terms o0n the left
16x = -40
divide both sides by 16
x = -5/2 or -2.5
90 - (90 × .7) = $27
hope this helps
64,500 would be the answer
Answer:B
Step-by-step explanation:because it will give you more information and the more information you have the more likely you would get it correct.
