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

Of those two who have gonorrhea, the majority of women show no noticeable symptoms

Examining the real GDP per capita in different countries allows economists to compare _____ in different parts of the world. levels of education health care cov

The difference of 41 and t

The apparent movement of a star when seen a different position is called

Please help me !!! ( the directions are at the top of the picture ) Answer what you can correctly for a brainliest and also get a thanks ! Don't answer if you d

25 points for 13, 14 and 15! Thank you so much in advance!

I have a 2 in the tens place. when you add 18 to me, you get 39. what number am I ?

Do you agree or disagree with Abraham Lincoln 's sentence? "Be sure you put your feet in the right place, then stand firm." Explain why

A woman gives birth to a son. What is the probability that her second child will be a girl

in green ville about 1 in every 8 homes has 3 computers