Find y so that (-2, y) is a solution to 3x+5y=8

Substituting the coordinates into the equation. 3(-2)+5y =8. From here, we can simply solve for y to get the y coordinate. 5y=14 and y=14/5

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years