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

What is one of the main purposes of the closing section of a cover letter? A. To explain how your prior experience makes you a good candidate OB. To let the rea
Read the sentence, then answer the questions that follow. erin told her husband that she would go to the store on tuesday. what is the modifier in this sentence
Can someone help me with geometry
Why do you think Mary fought so hard to get her engineering degree? Hidden Figures
How are alleles for the same gene related? OA. They have the same genetic sequence but are found in different individuals. B. They have different genetic sequen
01:36:22 develop a marketing pitch for the following scenario. your answer should be at least 100 words long. sal is the marketing director of a company that sp
In ΔIJK, the measure of ∠K=90°, KJ = 11, IK = 60, and JI = 61. What is the value of the cosine of ∠J to the nearest hundredth?
Which point is one fourth of the way between point A and point B on the line segment AB shown on the coordinate plane below?
how many grans of NaoH Are needed to neutralize grans of H2So4​
15. Los pacientes estan ____________. a. Congestionado b. Congestionada c. Congestionados d. Congestionadas