Which expression is equivalent to

x+6+7x?

8x + 6

To find an expression that is equivalent to x + 6 + 7x, we can combine like terms, which means combining the x terms:

x + 7x + 6

Combining the x terms gives us:

8x + 6

Therefore, the expression equivalent to x + 6 + 7x is 8x + 6.