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gregori [183]
2 years ago
13

13x - 1 what does x equal in this

Mathematics
1 answer:
Whitepunk [10]2 years ago
4 0

Answer:

x = 7

Step-by-step explanation:

13x - 1 = 90

      +1     +1

13x = 91

divide 13 by both sides of the equal sign

x = 7

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