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Furkat [3]
3 years ago
14

Help me!

Mathematics
2 answers:
ella [17]3 years ago
7 0

\dfrac{a}{4}-\dfrac{5}{6}=-\dfrac{1}{2}\qquad\text{multiply both sides by common denominator 12}\\\\12\cdot\dfrac{a}{4}-12\cdot\dfrac{5}{6}=12\cdot\left(-\dfrac{1}{2}\right)\\\\3\cdot a-2\cdot5=6\cdot(-1)\\\\3a-10=-6\qquad\text{add 10 to both sides}\\\\3a=4\qquad\text{divide both sides by 3}\\\\\boxed{a=\dfrac{4}{3}=1\dfrac{1}{3}}

vlabodo [156]3 years ago
4 0

Answer:

a = 4/3

Step-by-step explanation:

a/4 - 5/6 + 5/6 = -1/2 + 5/6

a/4 = 1/3

4a/4 = 1 x 4/3

a = 4/3

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