exam Maths Puzzle Numerical Ability

how do you answer 5x+14-2x=9-(4x+2) and what about (5/2)-x(x+1)=x(2-x) ?

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t/9-7=-5 I have problems with fractions i have the answers i just do not know how to get there. m=3/2 (5, -6) 3x-2y=27