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Lana71 [14]
3 years ago
7

Pleas please help! Solve for d. 3/15 - d/5 = 5/6 + d/3

Mathematics
2 answers:
ololo11 [35]3 years ago
7 0
\frac{3}{15}-<u />\frac{d}{5}-(\frac{5}{6}+\frac{d}{3}=0

Step 1:<u />\frac{5}{6}+\frac{d}{3}=<u /><u />\frac{3}{15}- \frac{d}{5}- \frac{(2d+5)}{6}=0

Step 2:\frac{1}{5}- \frac{d}{5}= \frac{(1-d)}{5}- \frac{(2d+5)}{6}=0

Step 3:\frac{(1-d)*6-(2d+5)*5}{30}= \frac{-1*(16d+19)}{30}

Step 4:16d= -19:Divide \ both \ sides \ by \ 16:d= \frac{-19}{16}= -1.188

Your answer is <u />d\boxed{\boxed={ \frac{-19}{16}= -1.1888}}}}
Papessa [141]3 years ago
3 0
3/15 -(d/5)=5/6+(d/3)
-(d/5)-(d/3)=5/6-3/15

-(8d/15)=19/30
-8d=19/2
-d=76
d=-76
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