Subject :IMO Class : Class 7
Select the INCORRECT step in simplification of 2(x + 1) = 3(2x - 2)
Step-1 : 2x + 2 = 6x - 6 (open brackets)
Step-2 : 6x - 2x = 2 + 6 (combining like terms)
Step-3 : 4x = 8
Step-4 : x = 2 (multiplying by 4 both sides)
AStep - 2
BStep - 4
CStep - 3
DStep - 1
Ans 1: (Master Answer)
Class : Class 1
Step -4 Multiply both side by 4 is incorrect. It should be divide both sides by 4.
Answer-(B) Step - 4