More solving of linear equations

math-replay/algebra/linear-equations-2.haml

@@ -23,3 +23,30 @@
         x & = & \frac{-1}{2} \\
         \end{eqnarray}
         $$
+
+    %h2 Solve for $x$ (again):
+    #solve-for-x-02.solution
+      :escaped
+        $$
+        \begin{eqnarray}
+        10x - 2 & = & 8 \\
+        10x - 2 + 2 & = & 8 + 2 \\
+        10x & = & 10 \\
+        10x \over 10 & = & 10 \over 10 \\
+        x & = & 10 \over 10 \\
+        x & = & 1 \\
+        \end{eqnarray}
+        $$
+
+    %h2 Solve for $x$ (again):
+    #solve-for-x-03.solution
+      :escaped
+        $$
+        \begin{eqnarray}
+        6x - 4 & = & 3 \\
+        6x - 4 + 4 & = & 3 + 4 \\
+        6x & = & 7 \\
+        6x \over 6 & = & 7 \over 6 \\
+        x & = & 7 \over 6 \\
+        \end{eqnarray}
+        $$