1.

Solve the equation:3(x + 5) = 4x + 9

Answer»

3(x + 5) = 4x + 9

⇒ 3x + 15 = 4x + 9

⇒ 3x – 4x = 9 – 15

On transposing 4x and 15

⇒ – x = – 6

-x/-1 = - 9/1

On dividing by – 1 on both sides

⇒ x = 6



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