Emma2947292 Emma2947292

04-02-2021
Mathematics

contestada

Use substitution to solve the system.
-5x + 3y = 19
x = 3y - 11

Respuesta :

Anisatunizzati Anisatunizzati

05-02-2021

Answer:

x = -2

y = 3

Step-by-step explanation:

-5x + 3y = 19

x = 3y - 11

-5x + 3y = 19

-5(3y - 11) + 3y = 19

-15y + 55 + 3y = 19

-15y + 3y + 55 = 19

-12y + 55 = 19

-12y = 19 - 55

-12y = -36

y = -36/-12

y = 3

x = 3y - 11

x = 3(3) - 11

x = 9 - 11

x = -2

Answer Link

Otras preguntas

Solve the equation x=x+3

which property you used.64+58= +64

How many magnesium ions are present in 5.36 x 10-4 mol of magnesium iodide?

If 604-72=___,then 532+___=604.Explain the process of checking your work.

Which of the following did NOT grow or increase as a result of early farming? villages trade life spans cities

The force between a pair of 0.001 C charges is 200 N. What is the distance between them?

what is the value for the expression -5+ 5

kilo- - 1,000deka- - 10How much larger is a kilo- than a deka-?

What is square root of 126 + square root of 56 in standard form

Who were the British allies and how did they help them to win so many battles in the American Revolutionary