Question:
Solve 40x 20y = 120 graphically
Answer:
Given, 40 x + 20 y ≤ 120
Now, 40 x + 20 y = 120
=> 2x + y = 6 {the equation is divided by 40}
=> y = 6 - 2x
x: 0 2 4 6 8
y: 6 2 -2 -6 -10
Now, plot the graph as shown in the figure:
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