x-54=30-3x

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Solution for x-54=30-3x equation:


Simplifying
x + -54 = 30 + -3x

Reorder the terms:
-54 + x = 30 + -3x

Solving
-54 + x = 30 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-54 + x + 3x = 30 + -3x + 3x

Combine like terms: x + 3x = 4x
-54 + 4x = 30 + -3x + 3x

Combine like terms: -3x + 3x = 0
-54 + 4x = 30 + 0
-54 + 4x = 30

Add '54' to each side of the equation.
-54 + 54 + 4x = 30 + 54

Combine like terms: -54 + 54 = 0
0 + 4x = 30 + 54
4x = 30 + 54

Combine like terms: 30 + 54 = 84
4x = 84

Divide each side by '4'.
x = 21

Simplifying
x = 21

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