3 years ago

What does 3x+9=7x-17 equal

Mathematics

1 answer:

OleMash [197]3 years ago

6 0

Answer:

x= -7

Step-by-step explanation:

3x+9=7x-17

-7x -7x

-4x+9= -17

-9 -9

-4x=28

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Step-by-step explanation:

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Solnce55 [7]

$\bf ~~~~~~~~~~~~\textit{negative exponents}
\\\\
a^{-n} \implies \cfrac{1}{a^n}
\qquad \qquad
\cfrac{1}{a^n}\implies a^{-n}
\qquad \qquad a^n\implies \cfrac{1}{a^{-n}}
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
k^6p^{-7}~~
\begin{cases}
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Step-by-step explanation:

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