Help me i am under da water In the equation x + 8.2 = –12.7, 8.2 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation?

Subtract –12.7 from both sides. The solution is 20.9.

Add –12.7 to both sides. The solution is –4.5.

Subtract 8.2 from both sides. The solution is –20.9.

Add 8.2 to both sides. The solution is –4.5.

Can someone check my answer? you

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.