MCQ
The equation x = 7 in two variables x and y, can be written as
- A$1 \cdot x+1 \cdot y=7$
- B$1 \cdot x+0 y=7$
- C$0 x+1 \cdot y=7$
- D$0 x+0 y=7$
✓
Answer
B. $1 \cdot x+0 y=7$
Equation $x=7$ can be written as $1 \cdot x+0 y=7$.
Equation $x=7$ can be written as $1 \cdot x+0 y=7$.
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