Seudónimo Seudónimo

11-11-2020
Mathematics

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

Respuesta :

11-11-2020

Answer:

[tex]\huge\boxed{a=-21}[/tex]

Step-by-step explanation:

[tex]-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[/tex]

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