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Naily [24]
3 years ago
7

7th Grade Math Please help -7 = 1/3 a Find the value of a

Mathematics
1 answer:
julsineya [31]3 years ago
4 0

Answer:

\huge\boxed{a=-21}

Step-by-step explanation:

-7=\dfrac{1}{3}a\to\dfrac{1}{3}a=-7\qquad|\text{multiply both sides by 3}\\\\3\!\!\!\!\diagup\cdot\dfrac{1}{3\!\!\!\!\diagup}a=(-7)(3)\\\\a=-21

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