-9x-21=-12x-1

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Solution for -9x-21=-12x-1 equation:


Simplifying
-9x + -21 = -12x + -1

Reorder the terms:
-21 + -9x = -12x + -1

Reorder the terms:
-21 + -9x = -1 + -12x

Solving
-21 + -9x = -1 + -12x

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
-21 + -9x + 12x = -1 + -12x + 12x

Combine like terms: -9x + 12x = 3x
-21 + 3x = -1 + -12x + 12x

Combine like terms: -12x + 12x = 0
-21 + 3x = -1 + 0
-21 + 3x = -1

Add '21' to each side of the equation.
-21 + 21 + 3x = -1 + 21

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

Combine like terms: -1 + 21 = 20
3x = 20

Divide each side by '3'.
x = 6.666666667

Simplifying
x = 6.666666667

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