jay927350 jay927350
  • 17-05-2019
  • Mathematics
contestada

Use the substitution method to solve the system of equations​

Use the substitution method to solve the system of equations class=

Respuesta :

shinkdiva
shinkdiva shinkdiva
  • 23-05-2019

Answer:

C. (5,-2)

Step-by-step explanation:

3x+7y=1

substitute x-7 for y

3x+7(x-7)=1

3x+7x-49=1

10x-49=1

10x= 50

x=5

now substitute x=5 in the other equation

y=5-7

y=-2

Answer Link

Otras preguntas

How did the advent of farming affect life amongNeolithic peoples
which type of construction is used to construct a triangle's point of balance
write 0.31 as a fraction
Why should you measure your level of flexibility? to calculate your exact level of muscular strength to track your improvements in flexibility over time to comp
which type of construction is used to construct a triangle's point of balance
what is the capital of South Korea
what is 64,569 rounded to the nearest thousands
Which process takes place in the mitochondrion? photosynthesis anaerobic respiration ATP production synthesis of glucose
Brandon is half as old as his brother Ryan. Ryan is one eighth the age of his father. If their father is 32 years old, how old are Ryan and Brandon?
0.3 is 10% of what number?