exam Maths Puzzle Numerical Ability

6 _4__
(2x-3)= (9x-5)

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exam Other Question

I need help figuring out how to solve some problems. Simplify/Reduce 6x2+x-2/2x2+x-1. Simplfiy (add/subtract) x+3/x2-6x+9-x+2/x2-9-5/x-3. (3-4i)(3+4i)
12x2y3/2xy2+6xy*y2+6y+9/3y DEFINE A VARIBLE AND WRITE AN INEQUALITY TO MODEL THE SITUATION.

THE MAXIMUM WEIGHT ON AN ELEVATOR IS 2000 POUNDS