juy19645 juy19645

30-09-2016
Mathematics

contestada

show me how to solve this algebra problem-4x-7-03x+4=25

Respuesta :

30-09-2016

Is the problem correctly written? If so then:

-4x-7-3x+4 = 25 (combine like terms)

-7x-7+4=25 (combine like terms)

-7x-3=25

-7x = 28

x = -4

check your answer: -4(-4) - 7 - 3(-4) + 4 = 25

16-7+12+4 = 25

9+12+4 = 25

25 = 25

Answer Link

30-09-2016

-7x -4+25
-7x = 21
X = -3

Answer Link

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