Sunita writes the equation x + 2y = 6 and lists pairs where x and y are positive integers (1, 2, 3, ...). How many such positive-integer solutions exist?

Question

Accepted Answer

2. y=1 gives x=4; y=2 gives x=2. y=3 gives x=0 (not positive). So 2 pairs: (4,1) and (2,2).

Sunita writes the equation $x + 2 y = 6$ and lists pairs where $x$ and $y$ are positive integers (1, 2, 3, ...).
How many such positive-integer solutions exist?

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More Class 9 Solutions of a Linear Equation practice

Sunita writes the equation x+2y=6 and lists pairs where x and y are positive integers (1, 2, 3, ...).How many such positive-integer solutions exist?

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 9 Solutions of a Linear Equation practice

Sunita writes the equation $x + 2 y = 6$ and lists pairs where $x$ and $y$ are positive integers (1, 2, 3, ...).
How many such positive-integer solutions exist?