ive been implementing this formula and it doesnt give me the right ans.

is this applicable?

p3tc = ((p2tc - p3at.Text) + p2tc) + p3bt.Text

can someone please rearrange this formula to an effective and better formula. :)

i create another form to try if this given value really works

text.Text = ((7 - 8) + 7) + 2

but there is an error.

hoe you can help me. really need this.