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So I’m doing homework at the moment and I’m not sure how to solve this equation. I tried many different ways to solve this but I can’t seem to end up with the answer my teacher provided.

So Im Doing Homework At The Moment And Im Not Sure How To Solve This Equation I Tried Many Different Ways To Solve This But I Cant Seem To End Up With The Answe class=

Answer :

[tex]\begin{gathered} (-1)\frac{2}{38}+(-1)\frac{18}{38}+(1)\frac{18}{38}=-\frac{2}{38}-\frac{18}{38}+\frac{18}{38} \\ -\frac{2}{38}-\frac{18}{38}+\frac{18}{38}=\frac{18-18-2}{38} \\ \frac{18-18-2}{38}=\frac{-2}{38} \\ \frac{-2}{38}=-\frac{1}{19}\approx-0.053 \end{gathered}[/tex]

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