vanessapel15
vanessapel15 vanessapel15
  • 03-05-2020
  • Mathematics
contestada

plz help ! solve the following system of equations

5x+7y=23
9x+4y=7

Respuesta :

brucedeluxegd
brucedeluxegd brucedeluxegd
  • 03-05-2020

Answer: x = -1 y = 4  I got my answer by solving for one variable in the first equation and then substituting what I got for that variable into the second equation in place of that aforementioned variable then solving for the last variable.

Answer Link

Otras preguntas

Drops of rain fall perpendicular to the roof of a parked car during a rainstorm. The drops strike the roof with a speed of 15 m/s, and the mass of rain per seco
A​ student's course grade is based on one midterm that counts as 5​% of his final​ grade, one class project that counts as 15​% of his final​ grade, a set of ho
Last question, how many dog breeds are there in the world?
________ is a form of short-term financing. Businesses buy merchandise from their suppliers, but are not required to pay for their purchases until some future d
Northern Europe's climate patterns are influenced by proximity to large bodies of water, as well as mountain barriers, wind patterns, and vegetation. True Fal
what doe it mean to have your work peer reviewed?
Identify the dependent clause in the following sentence. The girl who won the pie eating contest is my sister. a. The girl C. is my sister b. who won the pie ea
Can someone help me with questions 25 through 28
A recipe that makes 3 dozen peanut butter cookies calls for 1 and 1/4 cups of flour. How much flour would you need to make 7 dozen cookies?
How can I make new substances?