3 years ago

-18d + 19.09 = -14.46 − 13d − 11.1d

Mathematics

2 answers:

ivolga24 [154]3 years ago

5 0

Answer is -5.5
(photo for step by step)

Lilit [14]3 years ago

3 0

d=-5.5 should be the answer

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KonstantinChe [14]

Answer:

big robux

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5 0

3 years ago

1-m<br> ___ =2/3 HELP PLEASE<br> 1+m

marusya05 [52]

$Domain:\\\\1+m\neq0\to m\neq-1\\\\\dfrac{1-m}{1+m}=\dfrac{2}{3}\qquad\text{cross multiply}\\\\3(1-m)=2(1+m)\qquad\text{use distributive property}\\\\(3)(1)+(3)(-m)=(2)(1)+(2)(m)\\\\3-3m=2+2m\qquad\text{subtract 3 from both sides}\\\\-3m=-1+2m\qquad\text{subtract 2m from both sides}\\\\-5m=-1\qquad\text{divide both sides by (-5)}\\\\m=\dfrac{1}{5}\neq-1\\\\Answer:\ \boxed{m=\dfrac{1}{5}}$