To solve this equation, let's first simplify the left side by combining the fractions:
X - 3 13/21 + 2 10/21 = 7 2/21
X - 3 + 2 + 13/21 + 10/21 = 7 2/21X - 1 = 7 2/21
Next, let's add 1 to both sides to isolate X:
X - 1 + 1 = 7 2/21 + 1X = 8 2/21
Therefore, the value of X is 8 2/21.
To solve this equation, let's first simplify the left side by combining the fractions:
X - 3 13/21 + 2 10/21 = 7 2/21
X - 3 + 2 + 13/21 + 10/21 = 7 2/21
X - 1 = 7 2/21
Next, let's add 1 to both sides to isolate X:
X - 1 + 1 = 7 2/21 + 1
X = 8 2/21
Therefore, the value of X is 8 2/21.