naibfatma naibfatma
  • 24-01-2024
  • Mathematics
contestada

Solve the systems by substitution: -2x+y=4, 3x+y=9

Respuesta :

MisterZeng
MisterZeng MisterZeng
  • 24-01-2024

Answer:

x = 1 and y = 6

(1, 6)

Step-by-step explanation:

Given system of equations:

1. -2x + y = 4

2. 3x + y = 9

Express y in terms of x from the first equation:

y = 2x + 4

Substitute y into the second equation:

3x + (2x + 4) = 9

Combine like terms:

5x + 4 = 9

Subtract 4 from both sides:

5x = 5

Divide by 5:

x = 1

Substitute x back into the expression for y:

y = 2(1) + 4 = 6

So, the solution to the system of equations is x = 1 and y = 6.

Answer Link

Otras preguntas

Can someone help me explain please?
What is the best definition for the word prospective?
Why did the Great Migration take place? Large groups of Native Americans were forced off of their land and they moved onto reservations. Large groups of Afric
Mariana plans to visit an amusement park where she must pay for admission and purchase tickets to go on the rides. Mariana wants to find the total cost for a da
Help!! Identify the incorrectly punctuated sentence. A) Throwing the football, is difficult for some people. B) Throwing the football, he pulled a muscle in hi
The volume of a single layer in a rectangular prism is 9 cubic centimeters. There are 6 layers in the rectangular prism. What is the total volume, in cubic cent
PLEASEEEEE HELPPPPP!!
how do you rewrite a expression using the base number only once? ex. 5^(-2)*5^(-4)*5^(8)
Please answer helpppp !!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!
what are header and footer in the page of ms word?​