SOLUTION: 5x+4y=12 3x+4y=4 solve by substitution

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Question 1072304: 5x+4y=12
3x+4y=4
solve by substitution
Found 2 solutions by Fombitz, MaxWong:
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
From eq. 1,
4y=-5x%2B12
Substitute into eq. 2,
3x%2B%28-5x%2B12%29=4
-2x%2B12=4
-2x=-8
Solve for x then use either equation to solve for y.

Answer by MaxWong(38) About Me  (Show Source):