azh5ymeraamberney0 azh5ymeraamberney0

10-05-2016
Mathematics

contestada

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

Respuesta :

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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