2x-54=-x+21

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Solution for 2x-54=-x+21 equation:


Simplifying
2x + -54 = -1x + 21

Reorder the terms:
-54 + 2x = -1x + 21

Reorder the terms:
-54 + 2x = 21 + -1x

Solving
-54 + 2x = 21 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-54 + 2x + x = 21 + -1x + x

Combine like terms: 2x + x = 3x
-54 + 3x = 21 + -1x + x

Combine like terms: -1x + x = 0
-54 + 3x = 21 + 0
-54 + 3x = 21

Add '54' to each side of the equation.
-54 + 54 + 3x = 21 + 54

Combine like terms: -54 + 54 = 0
0 + 3x = 21 + 54
3x = 21 + 54

Combine like terms: 21 + 54 = 75
3x = 75

Divide each side by '3'.
x = 25

Simplifying
x = 25

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