What impact do tide have on the geography of the Pacific Ocean?

The moon's tidal force has a much greater effect on the surface of the ocean, ... Tides are also associated with features that have nothing to do with them. ... who live along the Pacific Northwest coast in Alaska and Canada.

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)

well, i believe that the answer is 2. : 3