Respuesta :

Answer:

x is 0

Step-by-step explanation:

If you minus both sides by 21 to isolate the variable, you would find that x equals 0

djtwinx017
X = 0.

Step 1: isolate X by subtracting 21 from both sides of the equation:

21 = x + 21
21 - 21 = x + 21 - 21

This will result into:

0 = x + 0

Step 2: X technically has a coefficient of 1. Therefore:

0 = 1x

Divide both sides of the equation by 1 to isolate x:

0/1 = 1X/ 1

0 = X

Therefore, x = 0.

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