Respuesta :

Hello from MrBillDoesMath!


Answer:

b. none


Discussion:

The original equation

-7a+7a+6=8    can be rewritten as

(-7a + 7a) + 6 = 8 =>

0 + 6 = 8 =>

6 = 8


As 6 does not equal 8 there are NO (zero) solutions to the equation.

Thank you,

MrB