Respuesta :

Answer:

x=-2.5

Step-by-step explanation:

ok

sotake +9 to the other side

10x-6x=-1-9

4x=-10

divide both sides by 4x

x=-2.5

Answer:

Subtract 10 - 6 = 4

4x+9= -1

4x = -1-9    (change the sign when taking a number to the left OR right of an equal sign)

4x = -10

x = -10/4   or   -2.5