Okay, how do I make Y the subject

-y=-t-w

How do I make -y into y?

Time is by -1?

HAVE YOU FORGET ABOUT W?

=____='' Urgh, I'm just so angry. No-one is explaining it fully. Can someone please TELL ME FULLY how it becomes y=t+w== __=

multiply everything through by -1
-y * -1 = y
-t * -1 = t
-w* * -1 = w

therefore -y=-t-w all multiplied through by -1 is equal to y = t + w

hope this helped!

Multiply both sides by -1 ... all the minuses become pluses:

y = t + w

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I did! what is -1(-t - w)?