1.

Fill in the boxes to solve the following equations.i. x + 4 = 9 ∴ x + 4 – __ = 9 – __ … [Subtracting 4 from both the sides] ∴ x = __ii. x – 2 = 7 ∴ x – 2 + __ = 7 + __ … [Adding 2 on both the sides] ∴ x = __iii. 4x = 24 ∴ __ = __∴ x = __

Answer»

i. x + 4 = 9 

∴ x + 4 – 4 = 9 – 4 

… [Subtracting 4 from both the sides]

∴ x = 5

ii. x – 2 = 7 

∴ x – 2 + 2 = 7 + 2 

… [Adding 2 on both the sides] 

∴ x = 9

iii. 4x = 24 

∴ \(\cfrac{4x}{4} =\cfrac{24}{4}\)

… [Dividing both the sides by 4] 

∴ x = 6



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