exam Maths Puzzle Numerical Ability

1 - cos 2x + sin 2x/1 + cos 2x + sin 2x = tan x

Can you please solve

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exam Other Question

Hi,

I need help how would I solve the following Linear Equations and their Solutions

3x/4 = 6

I do appreciate your help, I just so confussed.
3x-1<-7 or x-5>-6