Solve the following system of equations. x + y = 12 x – y = 6 (9, 3) no solution infinite number of solutions (3, 9)

asked Oct 24, 2017 181k views

5 votes

Solve the following system of equations.

x + y = 12
x – y = 6

(9, 3)

no solution

infinite number of solutions

(3, 9)

6.7k points

Please log in or register to add a comment.

7 votes

x + y = 12
x - y = 6
---------------add
2x = 18
x = 18/2
x = 9

x + y= 12
9 + y = 12
y = 12 - 9
y = 3

solution is (9,3)

Podshumok answered Oct 29, 2017

7.2k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.3m questions

11.0m answers