<PRE><B>Question 667770</B>
Starting with
{{{5/6  - x/4 = 1/12}}}
Multiply the entire equation by 12 to be rid of the fraction
**Choose 12 because it is the lowest common multiple of 6, 4 and 12**
{{{2cross(12)(5/1cross(6)) - 3cross(12)(x/1cross(4)) = 1cross(12)(1/1cross(12))}}}
...
10 - 3x = 1
Isolate x
-3x = 1 - 10
-3x = -9
...
Divide both sides by -3
{{{highlight_green(x = 3)}}}
...
Check {{{cartoon(
5/6 - 3/4,
10/12 - 9/12,
1/12)}}}
.....................
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