Question

 qual é o valor de x 
 10x+1= -4-5

Answer 1

10x + 1 = - 4 - 5
10x = - 4 - 5 - 1
10x = - 10
x = - 10 : 10
x = - 1

Answer 2

10x+1= -4-5
10x = -1-4-5
10x = -10
x = -10/10
x = -1