2-2-100
X
00:00
/
00:00
CC
To solve for Y, the first thing we're going to do is we're going
to subtract the 4X and then we're going to divide by 9.
So 9 / 9 is going to leave us A1 Y -4 ninths X + 4.
If we go back and check it Y equal -4 ninths X + 4 Y equal
make it a four ninths X + 4 and we've done it correctly.