ritwrty ritwrty

09-07-2019
Mathematics

contestada

girardo is using the model below to solve the equation 3x+1=4x+(-4)

Respuesta :

15-07-2019

Answer:

x = 5

Step-by-step explanation:

[tex]3x+1=4x+(-4)\qquad\text{subtract}\ 4x\ \text{from both sides}\\\\3x-4x+1=4x-4x-4\\\\-x+1=-4\qquad\text{subtract 1 from both sides}\\\\-x+1-1=-4-1\\\\-x=-5\qquad\text{change the signs}\\\\x=5[/tex]

Answer Link

Аноним Аноним

19-06-2020

Answer:

The answer is B. In step one he should have added 3 negative x-tiles to both sides.

Step-by-step explanation:

Answer Link

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