andybiersack154
andybiersack154 andybiersack154
  • 01-02-2019
  • Mathematics
contestada

to start to solve the system of equations below, which number would you multiply in the equation -2x-5y=-1? The two equations are -2x-5y=-1 and 4x+2y=8

Respuesta :

ctyrector
ctyrector ctyrector
  • 01-02-2019

Answer:

You would multiply the x component by -2

Step-by-step explanation:

(-2) (-2x-5y)=-2(-1)

4x+10y=2

4x+2y=8

set both equal to 4x

4x=2-10y

4x=8-2y

2-10y=8-2y

-6=8y

y=-6/8

y=-3/4

4x + 2(-3/4) = 8

4x=38/4

x=38/16

x=19/8


Answer Link

Otras preguntas

If y^8= 4 and y^7=3/x, what is the value of y in terms of x?
A boy can swim 75 feet in 12 seconds. What is his rate to the nearest mile per hour?
A boy can swim 75 feet in 12 seconds. What is his rate to the nearest mile per hour?
Which cells undergo cell division? a. prokaryotic cells only b. eukaryotic cells only c. cancer cells only d. both prokaryotic and eukaryotic cells
Which cells undergo cell division? a. prokaryotic cells only b. eukaryotic cells only c. cancer cells only d. both prokaryotic and eukaryotic cells
A test cross with an organism with a homozygous recessive genotype results in 50% of the offspring exhibiting the recessive trait. What is the genotype of the t
If 4x+5y=10 and x+3y = 8 then (5x+8y)/3=
How many prime numbers are there between 56 and 100?
Most autotrophs make “food” through the process of a. photosynthesis. b. homeostasis c. chemosynthesis d. cellular respiration
If 4x+5y=10 and x+3y = 8 then (5x+8y)/3=