which expression is equivalent to 1/5(15+10x-5)

The expression 1/5(15+10x-5) can be simplified as follows:

1/5(15+10x-5) = 1/5 * (10x + 10) = 10x/5 + 10/5 = 2x + 2.

Therefore, the expression 2x + 2 is equivalent to 1/5(15+10x-5).