exam Maths Puzzle Numerical Ability

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Describe the step used in transforming the given equation into the equivalent equation.

(((( 3/4X+2=3/2x-1 into 3x+8=6x-4 )))))

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exam Other Question

Will somebody please help me with this problem!
If we establish an identity, -sinA cscA -sin^2 A -cos^2 A -tanA cotA would equal which of the following:
1. -2 + 2sin^2 A
2. -3 Find the measure of an angle such that the supplement is five times the angle.