Register
Find the solution of the system of equations 6x+3y=12,6x-5y=60
193k views
17 votes
Find the solution of the system of equations 6x+3y=12,6x-5y=60

User Wu Jie
by
7.9k points

2 Answers

10 votes
subtract one equation from the other to eliminate 6x:

6x-5y=60
- 6x+3y=12
——————
0-8y=48

Simplify -8y=48:
y=-6

Substitute y into one of the equations and simplify:
6x+3(-6)=12
6x-18=12
6x=30
x=5

So, x=5 and y=-6


User Robin Dehu
by
8.6k points
5 votes

Answer:

x=5 y=-6

Explanation:

User Gluxon
by
7.2k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.1m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!