24mattieabernathy 24mattieabernathy
  • 25-03-2020
  • Mathematics
contestada

How do you solve
7x=-35
-8x+9y=4

Respuesta :

fayemioluwatomisin
fayemioluwatomisin fayemioluwatomisin
  • 26-03-2020

Answer:x=-5 and y=-4

Step-by-step explanation:

7x=-35

-8x+9y=4

To get x

Divide equation one by 7

7x/7=-35/7

x=-5

Substitute for x in equation ii

-8(-5)+9y=4

40+9y=4

9y=4-40

9y=-36

y=-4

Answer Link

Otras preguntas

the air above earth's surface is at a different temperature what is responsible for this difference in temperature
It is important to understand that the wilcoxon matched-pairs test is based on the relative ranks of
We know that smoking tobacco cigarettes is associated with increased mortality, especially due to cardiovascular problems and cancers. compare this situation to
Babby was a wild chimpanzee who was highly stressed when placed in the confinement of a zoo. her subsequent difficulty recovering from an infectious disease mos
1)Did everyone in America agree with mantoes doctrine?explain! 2)how did USA used the manroe doctrine in Mexico?
The nurse reviews the electrolyte results of an assigned client and notes that the potassium level is 5.7 meq/l (5.7 mmol/l). which patterns would the nurse wat
what is the answer to 4352 divided by 5 plus 73
What evidence did wegener make use of to develop the theory of the continental drift?
what is the final amount of $70.00 that is put into a savings account with 16% interest rate for 25 years, if the interest is comounded 4 times per year?
Which of these is an autotroph? -mackerel -squid -mollusks -fungi -phytoplankton