Question

qual a resposta da equação 19+2x-13=10-20?

Answer 1

19+2x-13 = 10-20
2x+6 = -10
2x = -10-6
2x = -16
$x= \frac{-16}{2} = -8$

Answer 2

 19+2x-13=10-20

 19+2x-13=10-20
      2x = -6 - 10

          2x = - 16

             x = - 8