electronia electronia

29-01-2019
Mathematics

contestada

8x – 8 = 7x + 4
x = 12

How do they get 12?

Respuesta :

CarlosCooke2 CarlosCooke2

29-01-2019

By simplifying both sides of the equation then isolating the variable

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avaleasim avaleasim

30-01-2019

8x-8=7x+4
-7x -7x

x-8=4
+8 +8

x= 12

you put the like variables together and then try to isolate the variable

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