To solve this, you plug in the first value (3) for x in the equations and and the second value (-6) for y in the equations! if the two equations then equal each other, it is true! if not, it’s false
Take 145, take away 1$ then divide by 2 considering there are 2 skateboards, then that leaves you with 2 72's or 72 and 72 then add the one back leaving you with 72 and 73
