ZWilliams06
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 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

by selling old CDs Sarah has a store credit for $153. A new CD costs $18. What are the possible numbers of new CDs Sarah buy write and solve an inequality
5/4 is 1.25 written in what form
which of the following is the only evolutionary force that can create brand-new genetic variation within a population? a. mitosis b. recombination c. mutation d
5/8 and 2/3 common denominator
Quien me dice la respuesta de esto por favor. 2r-(5-r)=13+2r
Yolanda scored 3 times as many goals as Xander. Xander scored 4 fewer goals than Yolanda. How many goals did each person score?
on what date was florida admitted as a state to the union
solve -2=4r+s solve for s please.
what effect does smiling have on teacher giving no homework
______ la película. 2. ______ el piano. 3. ______ la puerta con la llave. 4. ______ baloncesto. 5. ______ en bicicleta. 6. ______ en el comedor al med