Question

7x+12x = -2x+44 (resposta completa pfv)

Answer 1

Resolução:

$7x + 12x = - 2x + 44 \\ 7x + 12x + 2x = 44 \\ 21x = 44 \\ x = \frac{44}{21}$

X≈2,0952...

Ok

Answer 2

7x+12x=-2x+44

19x+2x=44

21x=44

x=44/21

x=2,09..