SOLUTION: Solve, using linear combination.
3x + y = 4
2x + y = 5
Algebra.Com
Question 829473: Solve, using linear combination.
3x + y = 4
2x + y = 5
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
Subtract eq. 2 from eq. 1 (or form a linear combination of eq. 1 and (-1)*eq. 2),
Then use either equation to solve for y.
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