SOLUTION: Solve -4y-20=5x -3x+15=-2y (By elimination method)

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Question 1157580: Solve
-4y-20=5x
-3x+15=-2y
(By elimination method)

Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!
Solve (By elimination method)
.........eq.1
........eq.2
-----------------------------------write in standard form
.........eq.1.......both sides multiply by
........eq.2.......both sides multiply by
------------------------------------
.........eq.1
........eq.2
-----------------------------------subtract eq.2 from eq.1



.......eliminate





-> exact solution

go to

.........eq.1, substitute

.........solve for










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