ZWilliams06 ZWilliams06

01-12-2020
Mathematics

contestada

Solve the system of equations-5x-7y=23and 3x+4y=12 by combining the equations

Solve the system of equations5x7y23and 3x4y12 by combining the equations class=

Respuesta :

hunfra267 hunfra267

01-12-2020

Answer:

Step-by-step explanation:

32

Answer Link

hiyathere16 hiyathere16

01-12-2020

Answer:

x=8 and y= -9

Step-by-step explanation:

(-5x-7y=23)x3

(3x+4y=-12)x5

-15x-21y=69

15x+20y=-60

-y=9

y=-9

x=8

Answer Link

Otras preguntas

why a flat surface of a rectangular prism called faces?

which is longer 635 millimeters or 535 centimeters ?

which organism would more closely resemble it's parent,one produced by asexual reproduction,or one produced by sexual reproduction? why?

THE EXPRESSION COT THETA/CSC THETA IS EQUAL TO?

true or false a trapezoid is a polygon, so all polygons are trapezoid. explain.

At the concession stand of a school foot ball game, sandwiches cost $1.50 and a bottle of water costs $.90. The school sells 40 sandwiches and 80 bottles of wat

what SI unit would best be used to express the height of your classroom ceiling ?

At the concession stand of a school foot ball game, sandwiches cost $1.50 and a bottle of water costs $.90. The school sells 40 sandwiches and 80 bottles of wat

Each verb below, one noun does not go with it. Which one? 1/ discover ( the truth, a cure, DNA, gold ) 2/ make ( cars, a discovery, a phone call ) 3/ tell ( hel

which organism would more closely resemble it's parent,one produced by asexual reproduction,or one produced by sexual reproduction? why?