topangabf topangabf

14-03-2021
Mathematics

contestada

use substitution to find the solution to the systems of equations

x-y=5
4x+y=10

Respuesta :

keyapatel66 keyapatel66

14-03-2021

Answer:

(3,-2)

Step-by-step explanation:

4x+y=10

y=10-4x

x-y=5

x-(10-4x)=5

x=3

y=10-4x

y=10-4(3)

y=-2

I hope this helps :)

Answer Link

Otras preguntas

Which statement correctly describes an endothermic chemical reaction? (1) The products have higher potential energy than the reactants,and the ΔH is negative.(2

What are the main disadvantages of a partnership?

What occurs when an atom loses an electron? (1) The atom’s radius decreases and the atom becomes a negative ion. (2) The atom’s radius decreases and the atom be

What is the domain and range of y = x+1/x-1

What is the total number of protons in an atom with the electron configuration 2-8-18-32-18-1? (1) 69 (3) 118 (2) 79 (4) 197

If a rectangle is 2 meters more than its width, and the area of it is 80 square meters, what is the length and width?

Given the balanced equation representing a reaction:2H2 + O2 ==> 2H2O What is the mass of H2O produced when 10.0 grams of H2 react completely with 80.0 grams

My father was known as Light Horse Harry.

What Is Cholecalciferol Granule Used For?

A quadrilateral has two right angles. The measure of the third angle is 99 degrees. What is the measure of the fourth angle.