kalumlankaotlqfl kalumlankaotlqfl

01-08-2017
Mathematics

contestada

If (3)x+y = 81 and (81)x-y = 3 find the values of x and y.

Respuesta :

ivana04 ivana04

11-09-2017

you have to isolate the variables meaning you have to do the opposite of multiply 81 you have to divide 3/81: x and y for both sides will be the same thing

Answer Link

Otras preguntas

Pat thought he had received the best deal on his new car. Shortly after the purchase, Pat started to notice certain disadvantages of his new car as he learned m

A mobile office may include a. email and internet service

A researcher is comparing the genetic material of a tropical plant to that of a plant that grows in temperate climates (which experience winter and summer seaso

Calculate the freezing point and boiling point of a solution containing 14.2 gg of naphthalene (C10H8)(C10H8) in 111.0 mLmL of benzene. Benzene has a density of

Hoi Chong Transport, Ltd., operates a fleet of delivery trucks in Singapore. The company has determined that if a truck is driven 105,000 kilometers during a ye

Cooking is easy in pressure cooker why

Neil Rabinski was asked by the care provider if he has had any difficulty breathing, shortness of breath, or noticeable wheezing. This is part of the review of

Helmut Haberl and colleagues have compiled data on ________ as a measure of how human population growth impacts Earth's natural resources and ecosystem services

What is unusual about the amino acid composition of histones? How is the function of histones related to the amino acid composition? Of which histones are nucle

HELP ME PLEASE * which branch of the government contained 2 men,elected for 1 year terms and ran the military.