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प्रश्न
Solve the following equation: 3z + 2 = -4
उत्तर
3z + 2 = -4
⇒ 3z + 2 - 2 = - 4 - 2 (Substrating -2 from both sides)
⇒ 3z = - 6
⇒ `"3z"/3 = (- 6)/3` (Dividing by 3)
∴ z = - 2
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