gretaggustafson gretaggustafson

01-04-2020
Mathematics

contestada

Solve question 3 (a and b)
— solve each system of equations by elimination.

Solve question 3 a and b solve each system of equations by elimination class=

Respuesta :

ghanami ghanami

01-04-2020

Answer:

Step-by-step explanation:

hello :

6x+5y=-20.....(*)

-6x-10y=25.....(**)

add(*) and(**) : -5y=5 so y= -1

multiply (*) by 2 : 12x+10y=-40 ...(***)

now add(**) and (***) : 6x=-15 so x = -15/6 = -5/2

Answer Link

Otras preguntas

The separation of powers in the Constitution favored by Federalists provided

-3/2 multiplied by 3?

Find the area of a triangle with a base length of 3 units and a height of 4 units.

Washington's Crossing" is a story about which war?

How is pressure measured? a. Pressure is measured as force per inch b. Pressure is measured as force per gram c. Pressure is measured as force per unit area d.

A motorist traveled 311 miles on 12 gallons of gas. To the nearest tenth, how many miles can the motorist travel on one gallon of gas?

Sometimes we can choose NOT to include a subject pronoun in a sentence because:___________________________.

A person who will follow your instructions specified in your will is called a(n): a. beneficiary. b. trustor. c. witness. d. executor or executrix.

Some works of nonfiction examine and discuss a focused topic and include the writer's personal viewpoints. This type of nonfiction is known as which of the foll

Write two equivalent fractions