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

A gardener has a rectangle garden with an area of 374 yd.²The length of the garden is 17 yards the gardener wants to enlarge the garden by doubling only the wid

In circle B with m AC.

what is the resolution is the text "marigolds"

The steps involve in changing the space of line in text

An treny word word, listed alphabetically

need a answer for this please

Which of the following is the graph of:(x-3)^2+(y+1)^2=9?

PLEASE HELPPPP What is a black cowboy? How did they become efficient (good) at their job? What did black cowgirls do? Why do you think the white Americans at th

Which terrestrial planet is cold, has a small atmosphere, and is known for having violent storms for weeks?

Construct the indicated confidence interval for the difference in proportions. Assume that the samples are independent and that they have been randomly selected