04-02-2017
Mathematics

contestada

Solve the system of equations using substitution:

7y+2x=16
5y-9=x

Respuesta :

maurynkennedy13 maurynkennedy13

04-02-2017

7y+2(5y-9)=16
7y+10y-18=16
17y=34
y=2

5(2)-9=x
10-9=x
x=1

Answer Link

Otras preguntas

With whom does Hemingway associate Santiago through his description of injuries to the old mans forehead and hands and the description of the old man carrying t

The length of a rectangle is 10 mm longer than its width. Its perimeter is more than 80 mm. Let w equal the width of the rectangle. (a) Write an expression for

Why does the abandoned town of Machu Picchu draw admiration even today?

True or false Geologists use a creep meter to measure the horizontal movement along a fault?

You notice that heat is released during a chemical reaction. This reaction is a(n) _______ reaction. endothermic heat hot exothermic

Darwin wrote many of the premises of 'The Theory of Evolution by Natural Selection' by noting differences in the _________ of closely related ______________, wh

what makes an object a good reference point

Being prepared to play is an important step in staying safe when participating in a game. True false

the american colonists rarely resisted attempts by the government in london to tax them

if the factors of a polynomial are x+7 and x-3, what values of x make that polynomial 0?