eightball874 eightball874
  • 20-04-2020
  • Mathematics
contestada

4x - 2y =7
X +2y =3
What is x and y ??

Respuesta :

ifex
ifex ifex
  • 20-04-2020

Answer:

x=2. y=1/2

Step-by-step explanation:

4x-2y=7. Equation 1

x+2y=3. Equation 2

Add the two equations

(4x+x) +(-2y+2y) =7+3

5x+0=10

5x=10 divide both sides by 5

X=2

Substitute x=2 in equation 2

2+2y=3

2y=3-2

2y=1. Divide both side by 2

Y=1/2

Answer Link

Otras preguntas

Which African American leader joined ,and then left the Communist party
please help! i have a test on this tomorrow
specific enteroendocrine cells of the stomach, called g cells, are stimulated by partially digested proteins, caffeine, and rising ph. when stimulated, g cells
Select the choice that BEST describes the effect Travis has on the scene. a. He interrupts the action at a key moment, and this changes the emotion of the momen
There are normally two types of common cables in your home. Explain why the cables have 2 or 3 wires inside. Why is there not only one?
The arrow indicates-
1. Mary wants to create a vegetable garden to keep the rabbits out by enclosing it with fencing. The area of the garden is given by the function A(w) = w(50 - w
Silver, Chromium and Copper are these type of elements _____
five to the power of 3
Sheila is experiencing a great deal of stress and anxiety at her job each day. She often has trouble falling asleep at night or making time for balanced meals.