SOLUTION: How do I solve
Solve by addition
2x + y = 3
x - y =3
Algebra.Com
Question 177561: How do I solve
Solve by addition
2x + y = 3
x - y =3
Found 2 solutions by Fombitz, stanbon:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Add the two equations together and solve for x.
Then go back and solve for y.
1.
2.
.
.
.
Then from eq. 2,
2.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Solve by addition
2x + y = 3
x - y =3
---------------
Modify the equations:
2x + y = 3
-2x +2y = -6
-------------------
Add to get:
3y = 3
y = 1
-----------
Substitute to solve for "x":
x-1 = 3
x = 4
----------------
Ans: (4,1)
===============
Cheers,
Stan H.
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