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Answered

21(x + 1) - 6x = 15x + 21

Answer :

21x + 21 - 6x = 15x + 21
15x + 21 = 15x + 21
0
SUSPHO9IN

Answer:

15x = 15x

or

0 = 0

Step-by-step explanation:

21(x + 1) - 6x = 15x + 21

21x + 21 -6x = 15x + 21

21x - 6x = 15x

15x = 15x

or

0 = 0

this equation is always true

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