X+21=2x+23+7

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Solution for X+21=2x+23+7 equation:


Simplifying
X + 21 = 2x + 23 + 7

Reorder the terms:
21 + X = 2x + 23 + 7

Reorder the terms:
21 + X = 23 + 7 + 2x

Combine like terms: 23 + 7 = 30
21 + X = 30 + 2x

Solving
21 + X = 30 + 2x

Solving for variable 'X'.

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

Add '-21' to each side of the equation.
21 + -21 + X = 30 + -21 + 2x

Combine like terms: 21 + -21 = 0
0 + X = 30 + -21 + 2x
X = 30 + -21 + 2x

Combine like terms: 30 + -21 = 9
X = 9 + 2x

Simplifying
X = 9 + 2x

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