salvatorestefa salvatorestefa
  • 01-02-2021
  • Mathematics
contestada

solutions to 2-variable equations y=-2x-5

Respuesta :

dtorres4546
dtorres4546 dtorres4546
  • 01-02-2021

Answer:(1, -3).

Step-by-step explanation:

If y=2x-5 is equation (1) and 4x-y=7 is equation (2), then substitute equation (1) in equation (2):

4x - (2x - 5) = 7

4x - 2x + 5 = 7

2x = 7-5

2x = 2

x = 1

Now substitute the value of x in equation (1) to find the value of y:

y = 2 (1) - 5

y = 2 - 5

y = -3

Answer Link

Otras preguntas

answer all pleaseee
https://brainly.com/question/31367495
lucy starts 4miles from home and jogs away from home at 6mph for 20minutes. draw this statement on the diagram for me please.
-6+4x= -9 solve the following equation
11. Tungsten can also be obtained by reacting tungsten fluoride with hydrogen. The equation for this reaction is WF6 + 3H2 à W + 6HF (i) In an experiment, a che
6 ст 4 cm 4 cm 15 cm 3 cm 5 cm 6 cm find Surface Area of Composite Figures
A cannon fires a projectile and it strikes the ground 3.0 km away. Assume the shot starts and lands at the same height. The maximum height the projectile reache
Who is Christina Rivera Garza?
The human heart is approximately the size of ________. 1) a golf ball. 2) an adult's fist. 3) a chestnut. 4) a grapefruit.
What is the weight of an empty bottle?