its really easy, I learned these in high school first grade... easy shit
@up:
Two unknowns in one equation? That's wrong :$
Next:
yx = 2y·7x
2x+y = 8x+3y+15
(Equation system <-> Solve X and Y)
its not wrong you have to make a tabelle to get the checkpoints anyways your question
mm 14yx^2?
dunno Lol
okay mine
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