-54-21x=-18x+99

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Solution for -54-21x=-18x+99 equation:


Simplifying
-54 + -21x = -18x + 99

Reorder the terms:
-54 + -21x = 99 + -18x

Solving
-54 + -21x = 99 + -18x

Solving for variable 'x'.

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

Add '18x' to each side of the equation.
-54 + -21x + 18x = 99 + -18x + 18x

Combine like terms: -21x + 18x = -3x
-54 + -3x = 99 + -18x + 18x

Combine like terms: -18x + 18x = 0
-54 + -3x = 99 + 0
-54 + -3x = 99

Add '54' to each side of the equation.
-54 + 54 + -3x = 99 + 54

Combine like terms: -54 + 54 = 0
0 + -3x = 99 + 54
-3x = 99 + 54

Combine like terms: 99 + 54 = 153
-3x = 153

Divide each side by '-3'.
x = -51

Simplifying
x = -51

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