exam Maths Puzzle Numerical Ability

Solve. 27x - 2(8x - 0.905) = 10x + 0.225

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exam Other Question

any idea what the solution of this worked is?

3x+4 / x + 1 + 6x + 5 / x + 1

thanks, I really need your help.
(3m-5)(m+7)=0
solve for m.

Please. Thanks.