asked 97.1k views
2 votes
2/5h - 7 = 12/5h - 2h +3

asked
User Valien
by
9.0k points

2 Answers

3 votes

(2)/(5)h-7=(12)/(5)h-2h+3\ \ \ |Multiply\ by\ 5\\\\ 2h-35=12h-10h+15\\\\ 2h-35=2h+15\ \ \ |Subtract\ 2h\\\\ -35 \\eq 15\\\\There\ are\ no\ solutions.
answered
User Starfry
by
8.8k points
5 votes

(2)/(5h-7)=(12)/(5h-2h+3) \\\\ (2)/(5h-7)=(12)/(3h+3) \\\\ 2(3h+3)=12(5h-7) \\\\ 6h+6=60h-84 \\\\ 6h-60h=-84-6\\\\ -54h=-90 \\\\ \boxed{h=(-90)/(-54)=(15)/(9)=(5)/(3)}
answered
User FredBones
by
7.9k points
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