02-11-2017
Mathematics

contestada

Solve equations with 3 variables

Solve equations with 3 variables class=

Respuesta :

03-11-2017

a+b=3
-b+c=3 if we add these two equations we have a+c=6......(4) and from the 3rd equation we have a+2c =10
Now subtract (4) from (3)
a+2c=10
a+c=6 so a cancels out you have c=4 so a is 2 and b is 1
a=2
b=1
c=4

Answer Link

Otras preguntas

Write the equation of the line that has a slope of 2 and passing through (3, −4) point.

Direct current is produced by an electric motor an armature a solenoid a battery

PLEASE HELP!!! 50 POINTS Write the following types of sentences: a sentence with a gerund phrase acting as subject a sentence with a gerund phrase acting as a d

what is peremeter ??????

[tex](1.345*\frac{1}{24} )^{24}[/tex]

The ratio of boys to girls at a school dance is shown in the graph. Which equation has a greater rate of change than the rate shown in the graph? A graph is sh

A combination lock uses the numbers between 1 and 90 with repetition and they must be selected in the correct sequence . Is the name of combination lock appropi

The weight of the body varies from place to place but the inertia of the body remains the same. Why?

-13*____=143 fill in the blank

Jack and Diane were saving money to go to a rock n roll concert. They need at least $750 in order to go if you count their gas, hotel, food, concert tickets, an