Solve each of the following equations : 7x - 2 = 4x + 7

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asked Jul 12 in Class VI Maths by aditya23 (-1,436 points)

Solve each of the following equations : 7x - 2 = 4x + 7

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answered Jul 12 by navnit40 (-3,354 points)

7x - 2 = 4x + 7

⇒ 7x – 2 + 2 = 4x + 7 + 2 (Adding 2 to both sides)

⇒ 7x = 4x + 9

⇒ 7x – 4x = 4x + 9 – 4x

(Subtracting 4x from both sides)

⇒ 3x = 9

⇒ 3x/3 = 9/3 (Dividing by 3)

∴ x = 3

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