Solve the system of inequalities graphically :`5x+4ylt=20 ,xgeq1,ygeq2`

Explanation

To solve the system of inequalities graphically, we will follow these steps:

### Step 1: Convert the inequalities into equations
The first inequality is:
\[ 5x + 4y \leq 20 \]
The second inequality is:
\[ x \geq 1 \]
The third inequality is:
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