1.

Solve the simple equation and check the results : 10 + 6a = 40

Answer»

Given 10 + 6a = 40 

⇒ 10 + 6a – 10 = 40 – 10 (Subtract 10 on both sides) 

⇒ 6a = 30

⇒ 6a/6 = 30/6 (Divide by 6 on both sides)

⇒ a = 5 

Check: 

Substitute a = 5 in 10 + 6a = 40 

LHS = 10 + 6a 

= 10 + 6(5) 

= 10 + 30 

= 40 = RHS 

Hence verified.



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