Question

-×+3×+10=0 me ajude

Answer 1

-x + 3x + 10 = 0
-x + 3x = -10
2x = -10
x = -10/2
x = -5

Answer 2

$- x + 3x + 10 = 0 \\ 2x + 10 = 0 \\ 2x = - 10 \\ x = \frac{ - 10}{2} \\ x = - 5$