SOLUTION: {{{ 4/5 - v-1/10 = v-5/30 }}}

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Question 348100: +4%2F5+-+v-1%2F10+=+v-5%2F30+
Answer by london maths tutor(243) About Me  (Show Source):
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+4%2F5+-+v-1%2F10+=+v-5%2F30+
+4%2F5+-1%2F10+=+v+%2B+v-5%2F30+
+4%2F5+-1%2F10%2B5%2F30+=+v+%2B+v+
+2v+=+%284%2A6%29%2F%285%2A6%29+-+%281%2A3%29%2F%283%2A10%29+%2B+5%2F30+
+2v+=+%2824%2F30%29+-%283%2F30%29+%2B+%285%2F30%29+
+2v+=+26%2F30+
+v+=+26%2F%282%2A30%29+
+v+=+26%2F60+
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