azh5ymeraamberney0
azh5ymeraamberney0 azh5ymeraamberney0
  • 10-05-2016
  • Mathematics
contestada

What is the solution of the equation 3x − 7 = 4x?
-7
-1
1
7

Respuesta :

WorldlyGlass49
WorldlyGlass49 WorldlyGlass49
  • 10-05-2016
The solution of this equation is -7.
3x - 7 = 4x
3x - 7 - 4x = 0
3x - 4x - 7 = 0
-x - 7 = 0
-x = 7
x = -7
Answer Link
Аноним Аноним
  • 10-05-2016
3x-7=4x
3x-4x=7
-x=7   |*(-1)
 x=-7
Answer: -7
Answer Link

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