Answer:
Not sure how answer that bc I can't really see it that well but I hope that you get your answer!!
You will lose money. Because $50 to make subtract $45 to sell (50-45) leaves you losing $5.
X=3 because you subtract the three on both sides to get x alone. So you get: 7x=21 then you divide seven by 21 and get x=3
In division, exponents with the same base are subtracted.
example:
