saniyah144
saniyah144 saniyah144
  • 02-03-2021
  • Mathematics
contestada

y = 5х – 7
—3х – 2 y = -12

Respuesta :

anikakinnear
anikakinnear anikakinnear
  • 02-03-2021

[tex]-3x-2(5x-7)=-12\\-3x-10x+14=-12\\-13x=-26\\x=2\\\\y=5(2)-7\\y=10-7\\y=3[/tex]

Answer Link
wabehtyou
wabehtyou wabehtyou
  • 02-03-2021

Answer:

[tex](x, y) = (-\frac{29}{2}, -12)[/tex]

Step-by-step explanation:

[tex]-12 = 5 x ( -\frac{29}{2} ) - 7 - 3 x ( -\frac{29}{2} ) - 2 x (-12) = -12[/tex]

Answer Link

Otras preguntas

Where do most volcanoes on earth occur?A. On the ocean floor B. Along the equator C. over Hotspots D. on land
What are the differences between long-term short-term and working memory?
The state of matter is an example of a physical property. Why is the state of matter considered aphysical property, even though a substance may change between a
The portion of earth in which all life exist is known as
The product of 5 and a number is 18 more than twice the number. Write as an equation answer is not needed. Easy
Select which intermolecular forces of attraction are present between ch3ch2nh2 molecules.
Add the two expressions. 3z−4 and 2z + 5 Enter your answer in the box.
What atoms are needed to complete each broken bond between monomers
Trey owns 250 shares of common stock in a toy–store company. this means that he owns a percentage of the company based on the proportion of shares he owns out o
how much should Tabatha budget monthly for insurance that costs $956.89 for the entire year?