2X+21=5X

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Solution for 2X+21=5X equation:


Simplifying
2X + 21 = 5X

Reorder the terms:
21 + 2X = 5X

Solving
21 + 2X = 5X

Solving for variable 'X'.

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

Add '-5X' to each side of the equation.
21 + 2X + -5X = 5X + -5X

Combine like terms: 2X + -5X = -3X
21 + -3X = 5X + -5X

Combine like terms: 5X + -5X = 0
21 + -3X = 0

Add '-21' to each side of the equation.
21 + -21 + -3X = 0 + -21

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

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

Divide each side by '-3'.
X = 7

Simplifying
X = 7

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