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Dmitriy789 [7]
3 years ago
10

If m= 7x and m = 3x + 20, what is the value of x? a 10 4 7 5

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
5 0
Equate the expressions for m.
  7x = 3x + 20
  4x = 20 . . . . . . . subtract 3x
  x = 20/4 = 5 . . . divide by 4

The value of x is 5.
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