2x+x+21+x=426

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Solution for 2x+x+21+x=426 equation:


Simplifying
2x + x + 21 + x = 426

Reorder the terms:
21 + 2x + x + x = 426

Combine like terms: 2x + x = 3x
21 + 3x + x = 426

Combine like terms: 3x + x = 4x
21 + 4x = 426

Solving
21 + 4x = 426

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 + 4x = 426 + -21

Combine like terms: 21 + -21 = 0
0 + 4x = 426 + -21
4x = 426 + -21

Combine like terms: 426 + -21 = 405
4x = 405

Divide each side by '4'.
x = 101.25

Simplifying
x = 101.25

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