Differences

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--- jancraats:hoofdstuk_9 [2012/09/18 15:22] – created tom
+++ jancraats:hoofdstuk_9 [2022/09/01 13:44] (current) – external edit 127.0.0.1
@@ Line 4: / Line 4: @@
 $$
 \begin{split}
+& & 3\cdot(x +4)& = -2\cdot(x +8)\\
-\cdot(x +4)&= -2\cdot(x +8)\\
+& \rightarrow & 3\cdot x +12 & = -2x -16\\
-\rightarrow 3\cdot x +12 = -2x -16\\
+& \rightarrow & 3\cdot x +2x +12 -12 & = -2x +2x -16 -12\\
-\rightarrow 3\cdot x +2x +12 -12 = -2x +2x -16 -12\\
+& \rightarrow & 5\cdot x & = -28\\
-\rightarrow 5\cdot x = -28\\
 \\
-\rightarrow x = \frac{-28}{5}= -\frac{28}{5}
+& \rightarrow & x & = \frac{-28}{5}= -\frac{28}{5}
 \end{split}
 $$