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11-09-2020
Mathematics

contestada

3(2x - 4) + (3x + 1) = 5x + 21 -(x +1)

Respuesta :

cupcakee98 cupcakee98

11-09-2020

Answer:

x=6.2

Step-by-step explanation:

3(2x - 4) + (3x + 1) = 5x + 21 -(x +1)

6x-12+3x+1=5x+21-x-1

combine like terms:

9x-11=4x+20

move variables to same side by sub 4x and add 11

5x=31

x=6.2

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