1.

 Solve the equation and check the result : 6(q – 5) = 42.

Answer»

Given 6(q – 5) = 42

⇒ \(\frac {6(q-5)}{6} = \frac {42}{6} \)(Divide by 6 on both sides) 

⇒ q – 5 = 7 

⇒ q – 5 + 5 = 7 + 5 (Add 5 on both sides) 

⇒ q = 12 

Check: 

Substitute q = 12 in 

6(q – 5) = 42 

LHS = 6(q – 5) 

= 6(12 – 5) 

= 6(7) = 42 = RHS 

Hence verified.



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