- Open the Latex editor.
- type this following Latex code in the Latex editor:% !TEX TS-program = pdflatex% !TEX encoding = UTF-8 Unicode%Typeset/Build program% ---------------------------------------------------------------% Standalone Class (This is a LaTeX2e document)% Linear Equation Systems,% with elimination and subtitution% ---------------------------------------------------------------\documentclass[multi=preview,margin=3]{standalone}\usepackage{amsmath}\usepackage{amsthm}\usepackage{amsfonts}\usepackage{fourier}\usepackage{enumitem}\begin{document}\preview%\section{Sistem Persamaan Linear Dua Variabel}\Huge{\textbf{Sistem Persamaan}}\endpreview\preview\Huge{\textbf{Linear Dua Variabel}}\endpreview\preview\Large{}\noindentNilai x dan y yang memenuhi \\\endpreview\previewsistem persamaan \textbf{3x + 2y = 8 }\endpreview\previewdan \textbf{2x - 4y = 0} adalah ... \\ \\\endpreview\preview\huge{}\boldmath\begin{minipage}{.5\textwidth} %\begin{enumerate}[label={\alph*}.]\item $x=2 ; y=1$\item $x=2 ; y=2$\end{enumerate}\end{minipage}\begin{minipage}{.5\textwidth}\begin{enumerate}[label={\alph{enumi}.}]\addtocounter{enumi}{2}\item $x=3 ; y=1/2$\item $x=-2 ; y=-1\quad $\end{enumerate}\end{minipage}\endpreview\preview\Huge{\textbf{Pembahasan}}%\section{Pembahasan}\endpreview\preview\Large{}\boldmath$\begin{aligned}3x + 2y = 8 \ldots\ldots (1) \\2x - 4y = 0 \ldots\ldots (2)\end{aligned}$\endpreview\previewEliminasi y:\endpreview\preview$\begin{aligned}\begin{array}{r@{}l@{\quad}l@{\quad}l@{}l@{}c}3x + 2y & {}= 8 & \xrightarrow{\times 2} & 6x + 4y & {}= 16 \\[\jot]2x - 4y & {}= 0 & \xrightarrow{\phantom{\times 1}} & 2x - 4y & {}= 0 & ~\smash{\raisebox{.8\normalbaselineskip}{$+$}} \\\cline{4-5} \\[-9pt]& & & 8x {\,} & {\,}= {\,} 16 \\[\jot]& & & {\ }{\,} x {\quad} & {\,}= {\,}16/8 \\& & & {\ \,} x {\quad} & {\,}= {\,}2\end{array}\end{aligned}$\endpreview\preview$\begin{array}{l}\mathrm{Substitusi\ x = 2} \\\mathrm{ke\ persamaan (1):}\end{array}$\endpreview\preview$\begin{array}{l@{\,}l@{\,}l@{\,}l@{\,}}3x &+& 2y & = 8 \\3\cdot2&+& 2y & = 8 \\6 & + & 2y & = 8 \longrightarrow y=\dfrac{8-6}{2} \\ & & \quad & \,\quad\longrightarrow y = \frac{2}{2}\\ & & & \,\quad\longrightarrow y = 1\end{array}$\endpreview\previewJadi, x = 2 dan y = 1\endpreview\end{document}
- run the Typeset command or similar other command with pdfLatex
- to see the output, click Sistem Persamaan Linear Dua Variabel >
Bibliography
Matematika;Tim Progresif;Penerbit Erlangga
Ebook Soal;Tim Master Eduka;Genta Group
LaTeX ( Ebook );Addison-Wesley Professional/Pearson
The LaTeX;Packt Publishing
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