-(6-x)+6x=4x-21

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Solution for -(6-x)+6x=4x-21 equation:


Simplifying
-1(6 + -1x) + 6x = 4x + -21
(6 * -1 + -1x * -1) + 6x = 4x + -21
(-6 + 1x) + 6x = 4x + -21

Combine like terms: 1x + 6x = 7x
-6 + 7x = 4x + -21

Reorder the terms:
-6 + 7x = -21 + 4x

Solving
-6 + 7x = -21 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-6 + 7x + -4x = -21 + 4x + -4x

Combine like terms: 7x + -4x = 3x
-6 + 3x = -21 + 4x + -4x

Combine like terms: 4x + -4x = 0
-6 + 3x = -21 + 0
-6 + 3x = -21

Add '6' to each side of the equation.
-6 + 6 + 3x = -21 + 6

Combine like terms: -6 + 6 = 0
0 + 3x = -21 + 6
3x = -21 + 6

Combine like terms: -21 + 6 = -15
3x = -15

Divide each side by '3'.
x = -5

Simplifying
x = -5

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