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3 votes
−7x− 7 = −3x + 9 for x.

User Camiloqp
by
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1 Answer

5 votes

Answer:

x=-4

Explanation:

-7x− 7 = −3x + 9

+7x-9=+7x-9

-16=4x

__ __

4 4

-4=x

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User Itamar Kerbel
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