Question

$- 4x + 6y + 10x - 2y - x$
$x + 7x + 10y - 3x$
$2x - 8y - 6y - y - 9 x$
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Answer 1

Resposta:

-4x+6y+10x-2y-x(junta os termos semelhantes)

+5x+4y

x+7x+10y-3x(igual^ )

8x-10y-3x

5x -10y

2x-8y-6y-y-9x

-7x-15y

espero ter ajudado