X+1=3x+21

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Solution for X+1=3x+21 equation: 


Simplifying
X + 1 = 3x + 21

Reorder the terms:
1 + X = 3x + 21

Reorder the terms:
1 + X = 21 + 3x

Solving
1 + X = 21 + 3x

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + X = 21 + -1 + 3x

Combine like terms: 1 + -1 = 0
0 + X = 21 + -1 + 3x
X = 21 + -1 + 3x

Combine like terms: 21 + -1 = 20
X = 20 + 3x

Simplifying
X = 20 + 3x

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