jinhyeonjeong jinhyeonjeong
  • 01-04-2021
  • Mathematics
contestada

x=3y−5 2x+12y=-4 please solve the system of equations and show your work

Respuesta :

pleasehelpme7281
pleasehelpme7281 pleasehelpme7281
  • 01-04-2021

sub x = 3y - 5 into equation 2

2(3y - 5) + 12y = -4

6y - 10 + 12y + 4 = 0

18y - 6 = 0

18y = 6

y = 6/18

y = 1/3

sub y = 1/3 into equation 1

x = 3(1/3) - 5

x = 1 - 5

x = -4

Answer Link

Otras preguntas

what times what equals 160
The single factor that is changed in an experiment is the __________. dependent variable control hypothesis independent variable
what effect does an increase in atmospheric carbon dioxide, the most common greenhouse gas, have on global warming?
a mother places her hand on a hot stovetop. The stimulus reaches the sensory neaurons of her fingertips. What nerve pathway will this stumulus signal contunue t
an equation stating that two ratios and rates are equivalent is a(n)
Write the ratio as a fraction in simplest form. 10 ft to 5 yds
5 biscuits cost 30p altogether how much do 7 biscuits cost
Find the value of r so the line that passes through each pair of points has the given slope. 40. In 1991, the federal minimum wage rate was $4.25 per hour. In 1
a biome that has a large amount of rainfall,high temperatures, and a poor soil is a
Are pencils biotic or abiotic because its not living but it was made out of wood which was a live