SOLUTION: simplify 3/12 divided by 3/15 solve: x/7-1/2=x-11/2

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Question 121126: simplify
3/12 divided by 3/15
solve:
x/7-1/2=x-11/2

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
3/12=1/4
3/15=1/5
1/4 / 1/5
=1/4 * 5
=5/4
.
x/7 - 1/2 = (x-11)/2 I assume this is the problem.
14x/7 - 14/2 = 14(x-11)/2
2x-7=7(x-11)
2x-7=7x-77
2x-2x-7+77=7x-2x-77+77
70=5x
5x/5=70/5
x=14
.
Ed