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playground:playground [2011/04/07 00:08] 127.0.0.1 external edit |
playground:playground [2017/02/03 02:50] Jamie McCallum |
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====== PlayGround ====== | ====== PlayGround ====== | ||
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+ | <math>\begin{aligned} | ||
+ | \dfrac{6x+5}{4}-\dfrac{2x+4}{2}&=3\\\\ | ||
+ | \dfrac{6x+5}{4}-\dfrac{2(2x+4)}{4} &= 3\\\\ | ||
+ | \dfrac{(6x+5)-2(2x+4)}{4} &= 3\\\\ | ||
+ | \dfrac{6x+5-4x-8}{4} &=3\\\\ | ||
+ | \dfrac{2x-3}{4} &=3\\\\ | ||
+ | 2x-3&=12\\\\ | ||
+ | 2x&=15\\\\ | ||
+ | x&=\dfrac{15}{2}\\\\\end{aligned}</math> | ||