The table on the far left
You can tell because every time the x value increases by 1, the y value increases by exactly 1/2 every time
At least we're both struggling with the same type of math ; -;
Distribute the 2 to get the pink box
10x + 2y = 18
Then if we are subtracting the bottom equation from the pink box
10x + 2y = 18
-(10x -7y = -18)
9y = 36
y = 4
