How do you reduce x + 7x?

x + 7x
= 8x

you mean simplify?

since the x's are both raised to the first power, you can add the coefficients. in this case, the coefficients are 1 and 7. so the expression can be simplified to 8x

x(1+7) is simplification

x + 7x = 8x

8x
God bless you.

x(1+7)