-(5x-3x)+x=21

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Solution for -(5x-3x)+x=21 equation: 


Simplifying
-1(5x + -3x) + x = 21

Combine like terms: 5x + -3x = 2x
-1(2x) + x = 21

Remove parenthesis around (2x)
-1 * 2x + x = 21

Multiply -1 * 2
-2x + x = 21

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

Solving
-1x = 21

Solving for variable 'x'.

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

Divide each side by '-1'.
x = -21

Simplifying
x = -21

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