-6x-21=-9x-6

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Solution for -6x-21=-9x-6 equation:


Simplifying
-6x + -21 = -9x + -6

Reorder the terms:
-21 + -6x = -9x + -6

Reorder the terms:
-21 + -6x = -6 + -9x

Solving
-21 + -6x = -6 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-21 + -6x + 9x = -6 + -9x + 9x

Combine like terms: -6x + 9x = 3x
-21 + 3x = -6 + -9x + 9x

Combine like terms: -9x + 9x = 0
-21 + 3x = -6 + 0
-21 + 3x = -6

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

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

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

Divide each side by '3'.
x = 5

Simplifying
x = 5

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