Question

Calcule a seguinte soma:
(x/2 - 3xy/4 + y/3) - (3y/2 - xy/3 - 2x )

Answer 1

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Ola Reb

(x/2 - 3xy/4 + y/3) - (3y/2 - xy/3 - 2x )

x/2 - 3xy/4 + y/3  - 3y/2 + xy/3 + 2x

x/2 + 2x - 3xy/4 + xy/3 + y/3 - 3y/2 

x/2 + 4x/2 - 9xy/12 + 4xy/12 + 2y/6 - 9y/6 

5x/2 - 5xy/12 - 7y/6 

pronto