MCQ
x = -1 is a solution of the equation
- Ax – 5 = 6
- B2x + 5 = 7
- C2(x – 2) + 6 = 0
- D3x + 5 = 4
✓
Answer
x = -1
2(x – 2) + 6 = 0
⇒ 2(-1 – 2) + 6 = 0
⇒ 2 × (-3) + 6 = 0
⇒ -6 + 6 = 0 $\text{(c)}$
2(x – 2) + 6 = 0
⇒ 2(-1 – 2) + 6 = 0
⇒ 2 × (-3) + 6 = 0
⇒ -6 + 6 = 0 $\text{(c)}$
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