Which expression is an equivalent expression of 12x + 10 + 4y? 2 (6x + 2y + 6) 3 (4x + y + 10) 2 (6x + 4y + 8) 2 (6x + 5 + 2y)

It's 2 (6x + 5 + 2y).

You basically multiply the number outside the parentheses by everything inside.

So 2 * 6x = 12x,

2 * 5 = 10,

2 * 2y = 4y.

This is the same as 12x + 10 + 4y.