Question

me ajuda ai. 2x+89=9






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Answer 1

Resposta:

OLÁ!!!!

$2x = 9 - 89$

$9 - 89 = - 80$

$2x = - 80$

$x = - \frac{80}{2}$

$\frac{80}{2} = 40$

$\boxed{\boxed { x = - 40 }}$

Answer 2

Resposta:

2x= +9 -89

2x= -80

x= -80 ÷ 2 = - 40