23-03-2017
Mathematics

contestada

i forgot how to do this. -2(21+2y/5)+y=-8

Find y.

Respuesta :

rarrininger rarrininger

23-03-2017

-2(21+2y/5)+y=-8

-42-4y/5+y= -8
-42-4y+5y/5=-8
-42+y/5=-8
-5*42+5*y/5=-5*8
-210+y=-40
y=-40+210
y= 170

Check

-2(21+2(170)/5)+170=-8

-2(21+340/5)+170=-8

-2(21+68)+170=-8
-2(89)+170= -8
-178 +170 = -8
-8 = -8

Answer Link

Otras preguntas

why doesn't Rousseau believe slavery would be possible in a state of nature? Why is it possible in a state of society?

The Statue of Liberty (pictured above) was made of a sheeting of pure _____(1)_____ and was made using a metalworking process known as _____(2)_____.

What is the variance of the following data? If necessary, round your answer to two decimal places.12, 13, 8, 13, 9, 11, 12, 9, 11

Name each activity or observation as either physical or chemical change. 1) Boiling water for pasta 2) Digesting food 3) Soda goes "flat" 4) Stretching a rubbe

The Columbia Tower in Seattle is 954 feet tall. The Seafirst Tower is T feet tall and d feet away from the Colombia Tower. Find the height of the Seafirst Tower

You are to paint the globe held aloft by a statue of Atlas. Its diameter is 10.5 in. How much surface area must you cover with paint if 27 square inches does no

1. Because cells have a watery environment both inside and outside, the polar ends of the phospholipids in the plasma membrane form ____ layers Aseveral Bmos

Evaluate the integral: dx / e^(pie*x) from 2 (upper bound) to 0.

What is the difference between burning and heating? How can you tell in the lab if you are heating or burning?

When speaking about his numerous and important contributions to science, Isaac Newton said: "If I have been able to see further, it is because I stood on the sh