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

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

what did one function say to the other function?

Instrucciones: Completa los verbos al arrastrar cada terminacion a su lugar correcto. ( Read the picture so your able to answer). Will Mark Brainliest

how does a nation affect the character of its people?

What type of rock is pictured here?

Express as a trinomial. (x + 6)(2x + 4)

Is it legal for/Can private Christian schools deadname/misgender students even after being came out to?

If ƒ(x) = -5n + 1 and g(x) = -6n + 2, find (ƒ + g)(-2).

I"M TIMED!!! PLSSSSSSSSSS HELPPPPPPPPPPP Drag and drop the numbers and symbols into the boxes to form an expression that represents this phrase: 8 more than quo

By what navigational method did Vespucci guide his ships to the America's?

Which of these is an example of output? O typing on a keyboard O a smartphone ringing O using a mouse O a fingerprint sensor