paddikakes55 paddikakes55

04-06-2017
Mathematics

contestada

2x - 3y = -12
y = 9 - x
Solve by substitution

Respuesta :

azhangstuy azhangstuy

04-06-2017

2x - 3(9-x) = -12

2x-27+3x=-12

5x-27=-12

5x=15

x=3

y=9-x
y=9-3

y=6

x=3
y=6

Answer Link

Otras preguntas

Your client took a complete physical inventory count under your observation as of December 15 and adjusted the inventory control account (perpetual tory method)

Anyone please??? I need the help my teachers sent me this packet and I know nothing :////

PLEASE HELP IM SO CONFUSED!!!

3y+7=x is this a direct proportion?

PLEASE READ!!!!!!!!!!!!!!!!!!!! Who is just tired of social media? I am. It's so offensive that the social media gets upset that kids dress in inappropriate cl

Complete the passage to differentiate between longitudinal and transverse waves. A longitudinal wave is a type of wave that transfers energy to the direction

Which phrase best describes the "exotics" in "A Sweetheart of a Deal"? A. slaves captured from other planets B. rare foods sold on the black market C. new or un

Enter the degree of the polynomial below: 6x^6 + 9x^3 + 3x^2 - 4x^10 - 9x^5 - 5x^6

Use the "Law of Reflection" to describe why you cannot see your reflection in a piece of paper.

The function f(t) = 790(0.994) 60t represents the change in a quantity over t hours. What does the constant 0.994 reveal about the rate of change of the quantit