Question 437190: AFTER SOLVING A SYSTEM OF LINEAR EQUATIONS, HOW CAN YOU CHECK YOUR ANSWER TO DETERMINE WHETHER IT IS CORRECT? please demonstrate the process by checking an answer for a set of equations (that you have created)
THANK YOU !
You can put this solution on YOUR website! 3x+2y=4 .............1
multiply (1)by -1
Multiply (2) by 1
Add the two equations
plug value of x in (1)
plug the value of x & y in any equation from above