Question

-[x+2y+{-3y+4x-(-x+5y)}]
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Answer 1

Hola espero ayudarte!!

$-\left(x+2y-3y+4x-\left(-x+5y\right)\right)=-6x+6y$

$=-\left(6x-6y\right)$

$=-\left(6x\right)-\left(-6y\right)$

$=-6x+6y$

Atte:Clavijo Velarde