exam Maths Puzzle Numerical Ability

1. b+17 - 1 = b-2
b²-1 b+1 b-1


2. solve for a 1/a + 1/b = 1/f

3. 5x²-9=2x

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exam Other Question
when solving inequalities, how do you know whether to subtract or to add on


both sides? for example, 5x-4<6x+2. how do you do equations please help me