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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: 5x – 2x +15 = 27
✓

Answer

5x – 2x +15 = 27
⇒ 3x + 15 = 27
⇒ 3x + 15 - 15 = 27 - 15 ...(Subtracting 15 from both sides)
⇒ 3x = 12
$\Rightarrow \frac{3 x }{3}=\frac{12}{3} \quad \ldots($ Dividing by 3$)$
$
\Rightarrow x=4
$

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