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Simple (Linear) Equations (Including Word Problems) — MATHS STD 6 — Question

ICSE BoardEnglish MediumSTD 6MATHSSimple (Linear) Equations (Including Word Problems)3 Marks
Question
Solve the following equation: 3z + 2 = -4
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Answer

3z + 2 = -4
⇒ 3z + 2 - 2 = - 4 - 2 (Substrating -2 from both sides)
⇒ 3z = - 6
$\Rightarrow \frac{3 z}{3}=\frac{-6}{3} \quad$ (Dividing by 3 )
∴ z = - 2

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