agtihafarmer agtihafarmer

24-09-2020
Mathematics

contestada

answer the following
21 - 4x = 4x + 21

Respuesta :

thomassookoo thomassookoo

24-09-2020

Answer:

X=5 and a quarter

Step-by-step explanation:

21 + 21 = 4x + 4x

42 = 8x

8x = 42

x = 42/8

= 5 1/4

Answer Link

24-09-2020

Answer:

0

Step-by-step explanation:

21 - 4x = 4x + 21

~Subtract 21 to both sides

-4x = 4x

~Divide -4 to both sides

x = -x

~Add 8 to both sides

2x = 0

~Divide 2 to both sides

x = 0

Best of Luck!

Answer Link

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