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2 votes
Solve for x:

- 3x – 7 = x + 9

User Graycrow
by
4.9k points

1 Answer

4 votes

Answer:

x = -4

Explanation:

-3x - 7 = x + 9

-3x - 7 + 3x = x + 9 + 3x

-7 = 4x + 9

-7 -9 = 4x + 9 - 9

- 16 = 4x

-16/4 = 4x/4

-4 = x

User Dmitri Trofimov
by
4.3k points