thatwilldomare43 thatwilldomare43

04-04-2021
Mathematics

contestada

Solve the system of linear equations using either substitution or the elimination method.
y = 3x +5
X+y=1

Respuesta :

04-04-2021

Answer:

x = -1

y = 2

Step-by-step explanation:

x + y = 1

y = -x + 1

y = -x + 1 (Multiply this by -1)

y = 3x +5

-y = x - 1

y = 3x +5

0 = 4x + 4

4x = -4

x = -1

x + y = 1

-1 + y = 1

y = 2

Answer Link

Otras preguntas

Ayana received some gift cards for music and movie downloads for her birthday. Using one of them, she downloaded 20 songs and 3 movies, which cost a total of $7

Which expression is represented by the model shown?

Often, leaders must be honest, even when what they have to say is not appealing or positive. Explain why honesty is an important leadership quality.

Pls help I need help Hehhehrhrh

Order the integers from least to greatesa. 5, -7, 6, -2, O

The perimeter of an airplane ticket is 36 centimeters. The area is 80 square centimeters. What are the dimensions of the ticket?

Commercial dredging operations in ancient rivers occasionally uncover archaeological artifacts of great importance. One such artifact is Bronze Age spearheads r

Evaluate the following when a = 4 and b = 7 (a+b)^2 - (a^2 + b^2)

this pic is just nice:)

Does anyone know this if you could help me I would appreciate it