Thursday
April 24, 2014

Homework Help: algebra 2

Posted by john on Sunday, October 7, 2012 at 1:29pm.

i'm trying to solve this system of equations with 3 variables
5a-b+3c=5
2a+7b-2c=5
4a-5b-7c=-65

i tried to make the first equation like
a=something
so i could substitute it in to the 2nd equation, however i get decimals so it doesnt work
how do i do this problem?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

algebra - solve the system of equations by graphing. Then classify the system as...
College Algebra - Solve the system of equations using matrices. If system has no...
algebra - I AM TRYING TO SOLVE A SYSTEM OF EQUATIONS BY GRAPHING AND CAN GET ...
algebra - Can someone please help. When you solve a system of equations by the ...
Algebra 2 - 1.) Write a system of equations that has NO solution. 2.) If you ...
Algebra 2 - 1.) Write a system of equations that has NO solution. 2.) If you ...
Algebra 2 - 1.) Write a system of equations that has NO solution. 2.) If you ...
algebra - When you solve a system of equations by the substitution method, how ...
algebra - i need help with these problems (either a solution or how to plug them...
algebra - when you solve a system of equations by the substitution method, how ...

Search
Members