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

What is the symbol of the Republican Party?

This US national park covers 270 square miles, and 95% of it is underwater. Divers and snorkelers explore its shipwrecks and a bright coral reef, home to reef

United States inventor (born in Scotland) of the telephone (1847-1922)

what is database of computer ?

What historical event do Americans celebrate on the Fourth of July? 1.Official signing of the Declaration of Independence 2.George Washington's birthday 3.The f

United States lawyer and politician who advocated free silver and prosecuted John Scopes (1925) for teaching evolution in a Tennessee high school

What other countries celebrate the 4th of July?

This watery vacation spot is considered part of both California and Nevada. Name this lake

The economy of the Hopewell people of North America was based on?a. no sedentary activities, but trading of plants for medicine.b. full-scale domesticated agric

What's a Mudslinging. Please help?