valerietovar956 valerietovar956
  • 04-02-2022
  • Mathematics
contestada

Solve the system of linear equations by substitution.
3x - 2y = 11
x + 2y = 9
The solution of the system is

Respuesta :

s2000703 s2000703
  • 04-02-2022

Answer:

x=5, y=2

Step-by-step explanation:

1) Subtract 2y from both sides of x+2y to get x=9-2y

2) Substitute x into the first equation to get 3(9-2y)-2y=11

3) Solve for y (y=2)

4) Plug y into either equation: x+2(2)=9 x=5

5) The answer is (5, 2)

Answer Link

Otras preguntas

2. If a student drops a 2.3 g piece of magnesium into a flask of hydrochloric acid, this reaction occurs: Mg + 2HCl MgCl2 + H2 How many liters of hydrogen can b
find the value of x y and z?​
what is the answer to the question?
Build up sentences from the prompts given 1. If / they / come / earlier / yesterday / the boy / be / rescue. 2. She / never / leave / home / alone / her life.
if something is worth 3 points on a mutiple choice, can i put 4 answers?
The language for a speech about the rising crime rate in the community that will be delivered at a press conference should: be informal and friendly. contain se
Solve the following[tex]5x-2= -9x+8[/tex]​
a cylinder tin,7cm high,is closed at one end.if its total surface area is 462cmsquare,calculate its radius​
The density of copper is 8.94 g/cm^3. What is the mass of a rectangular sheet of copper: 10 cm wide, 45 cm long, and 0.2 cm thick?
can someone help me asap :)