jhon2345677 jhon2345677

02-11-2016
Mathematics

contestada

solve each system by substitution x+12y=68
x=8y-12

Respuesta :

PhantomRealm PhantomRealm

02-11-2016

substitute x=8y-12 into first equation
8y-12+12y=68
20y=68+12
20y=80
y=80/20
y=4

substitute y=4 in 2nd equ
x=8(4)-12
x=32-12
x=20

Answer Link

Otras preguntas

Why didn't the US go to war sooner against Japan?

What connection did Renaissance thinkers want to make between the Goths and the church by using the term Gothic? A. Both were open to change and constantly keep

why are steam and ice similar ?

Compared to the outside surface, the inside of a resting cell membrane is

given the following information, match it with the proper equation written in standard form v(5,-1) f(3,-1)

3. Select the correct vocabulary word to complete the sentence below. The lab director agreed that it was one of the most ______ ideas he had ever heard. inno

If the sum of the measures of the interior angles of a convex polygon is 2160°, how many sides does the polygon have?

The diameter of a bacteria colony that doubles every hour is represented by the graph below. What is the diameter of the bacteria after 9 hours?

adapting and using formulas

A common literary device to leave readers in the middle of the action. Also the name of a Hollywood blockbuster starring Sylvester Stallone