SOLUTION: Solve by substitution. y = 4 – 3x and 3x + y = 5
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Question 1093219: Solve by substitution. y = 4 – 3x and 3x + y = 5
Found 2 solutions by Alan3354, MathLover1:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Solve by substitution. y = 4 – 3x and 3x + y = 5
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Sub for y in the 2nd eqn.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
.....eq.1
.....eq.2
----------------------------
substitute from eq.1 in eq.2
.....eq.2......solve for
-> Since this equation is not true, we have an inconsistency.
So there are solutions. The simple reason is the given equations represent two lines that will never intersect. Since no intersections occur, no solutions exist.
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