SOLUTION: how do you solve linear systems by adding
Algebra.Com
Question 251185: how do you solve linear systems by adding
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
3X-4Y=12
2X+4Y=-2 NOW ADD.
--------------------
5X+0=10
5X=10
X=10/5
X=2 ANS.
3*2-4Y=12
6-4Y=12
-4Y=12-6
-4Y=6
Y=6/-4
Y=-1.S ANS.
PROOF:
2*2+4*-1.5=-2
4-6=-2
-2=-2
RELATED QUESTIONS
How do you solve systems of linear equations using... (answered by Alan3354)
How do you solve special systems of linear... (answered by Alan3354)
How do you do systems by... (answered by fractalier)
How may I solve these systems by adding or subtracting:
2x-11y=15... (answered by scott8148)
How do you solve this problem (0,4),(2,8) & (3,1) to get the quadratic equation
by... (answered by venugopalramana)
How do you use all the steps to solve eqations by adding or... (answered by rapaljer)
How do I solve this problem for Solving Systems of Linear Equations by Addition:
-10x-y= (answered by Alan3354)
how do you solve the following systems by graphing
2x-y=4 and... (answered by papiochik07)
How do you solve the systems 4x–7y=-8 and –3x+4y=6 by... (answered by FrankM)