54=x-3x

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Solution for 54=x-3x equation:


Simplifying
54 = x + -3x

Combine like terms: x + -3x = -2x
54 = -2x

Solving
54 = -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
54 + 2x = -2x + 2x

Combine like terms: -2x + 2x = 0
54 + 2x = 0

Add '-54' to each side of the equation.
54 + -54 + 2x = 0 + -54

Combine like terms: 54 + -54 = 0
0 + 2x = 0 + -54
2x = 0 + -54

Combine like terms: 0 + -54 = -54
2x = -54

Divide each side by '2'.
x = -27

Simplifying
x = -27

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