anastasia0829 anastasia0829

06-10-2020
Mathematics

contestada

Solve the following system of equations.
(15 Points)
x + 3y = -5 & 5y - 10 = -20x

Respuesta :

Kandake Kandake

27-07-2021

Answer:

( 1 ; -2 )

Step-by-step explanation:

x + 3y = -5..............1

5y - 10 = -20x........2

x = -5 - 3y..............3

5y - 10 = -20( -5 - 3y)

5y - 10 = 100 + 60y

-55y = 110

y = -2

x = 1

Answer Link

Otras preguntas

How to create a formula for a matrix

Who was the last President in office during the Progressive Era

Write in point-slope form an equation of the line that passes through the point (1, 9)(1, 9) with slope −2

Which row operation is performed to transform the first matrix into thesecond matrix?6 26 2O A) R1 R2O B) R1 +6o D) R (-6)R2

To which of the following locations should a tourist travel to see active volcanoes? Australia’s outback Tasmania Great Barrier Reef New Zealand’s North Island

What was the basic idea behind much of the domestic legislation during the New Deal? A. that the Federal Government should help big business B. that the Federal

what did the mayans eat?

Fill in the Blank In the blank space provided, type the kind of sentence pattern exemplified by each sentence. Use the bolded abbreviations. Subject-Verb

The Triple Alliance, also known as the Central Powers, consisted of (5 points) A. Germany, Austria-Hungary, and Russia B. Germany, Austria-Hungary, and Italy C

How do the phrases "star-cross'd lovers" and "death-mark'd love" introduce the themes of love and fate in the prologue to Romeo and Juliet? Support your respons