3x+123=4x

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Solution for 3x+123=4x equation:


Simplifying
3x + 123 = 4x

Reorder the terms:
123 + 3x = 4x

Solving
123 + 3x = 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
123 + 3x + -4x = 4x + -4x

Combine like terms: 3x + -4x = -1x
123 + -1x = 4x + -4x

Combine like terms: 4x + -4x = 0
123 + -1x = 0

Add '-123' to each side of the equation.
123 + -123 + -1x = 0 + -123

Combine like terms: 123 + -123 = 0
0 + -1x = 0 + -123
-1x = 0 + -123

Combine like terms: 0 + -123 = -123
-1x = -123

Divide each side by '-1'.
x = 123

Simplifying
x = 123

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