dominiquea dominiquea

03-03-2020
Mathematics

contestada

Solve by using substitution. SHOW YOUR WORK. y=-2x – 1
y = 8x + 19

Respuesta :

SilvanaMartins SilvanaMartins

03-03-2020

Answer: x= -2; y = 3

Step-by-step explanation:

y=-2x – 1

y = 8x + 19 -

replacing "y"

-2x – 1 = 8x + 19

-2x - 8x = 19 + 1

-10x = 20

x = 20/-10

x= -2

y=-2x – 1

y= -2.(-2) - 1

y= 4 - 1

y = 3

Answer Link

Otras preguntas

Which of the following is always capitalized in the title if a book, a song or work of art? Prepositions, articles, conjunctions or the first word?

Why might Europeans want to travel from their homes to the woods of North America?

i dont know the answer help plz

A car travels 354 miles on 11 gallons of gasoline. The best estimate of the car’s miles per gallon is:

Answer ALL if u cant see all the answers it don't matter all u need is the question

Justin is evaluating the expression 12.5 + 3.8x, when x is 7.9

Let (-7, -4) be a point on the terminal side of theta. Find the exact values of Sin, CSC and COT

What is the relationship between Lincoln's proclamation and the 13th Amendment?

Quadrilateral OPQR is inscribed in circle N, as shown below. What is the measure of ∠ROP? 41 67 113 139

What phase of the menstrucal cycle is associated with fertility?