sadavacados
sadavacados sadavacados
  • 08-01-2019
  • Mathematics
contestada

Solve the system of equations.

-5x+2y=9

y=7x

Respuesta :

evanevanrj evanevanrj
  • 08-01-2019

Answer:

uuuuuuuuuuum

Step-by-step explanation:

maybe it's...


Answer Link
zcathy
zcathy zcathy
  • 08-01-2019

Answer:

x = 1

Step-by-step explanation:

Substitute y with 7x.

-5x + 2(7x) = 9

Solve parentheses.

-5x + 14x = 9

Combine like terms.

9x = 9

Now solve the equation.

9x = 9

/9     /9

-----------

x = 1

Answer Link

Otras preguntas

A banana has 80 calories. This is 5 calories less than one seventh of the calories in a banana split. How many calories in a banana split?
what are some examples of a complex institutions
what phrase best describes Constantinople?
Under identical conditions of temperature and pressure, which of the following gasses is the densest: Ne, CO2, or Cl2?
how to solve (1/2) to the 4th power = 2 to the x power
Victoria’s printer can print 8.804 pages in one minute. How many pages will it print in 0.903 minute? Multiplying Decimals
what phrase best describes Constantinople?
Without animals can plants survive?
Who would the people of Egypt blame if there crops did not grow and disease struck
Solve equation for y. 2/5x+y=7