1.

Solve the equation and check the result :5x – 17 = 18

Answer»

Given 5x – 17 = 18 

⇒ 5x – 17 + 17 = 18 + 17 (Add 17 on both sides) 

⇒ 5x = 35

⇒ 5x/5 = 35/5 (Divide by 5 on both sides)

⇒ x = 7

Check: 

Substitute x = 7 in 5x – 17 = 18

LHS = 5x – 17

= 5(7) – 17 

= 35 – 17 = 18 = RHS 

Hence verified.



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