twin2006 twin2006

07-03-2019
Mathematics

contestada

13x + 8 - 3 equals 12x-4

Respuesta :

07-03-2019

Answer:

x=9

Step-by-step explanation:

13x+8-3=12x-4

+4

13x+8+1=12x

13x+9=12x

-13x

9=1x

x=9

Answer Link

07-03-2019

13x+8-3=12x-4
13x+5=12x-4
So x= -9

Check: 13(-9)+5=12(-9)-4
-117+5=-108-4
-112=-112. It works!

So x = -9

Answer Link

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