6x-9=21x+1

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Solution for 6x-9=21x+1 equation:


Simplifying
6x + -9 = 21x + 1

Reorder the terms:
-9 + 6x = 21x + 1

Reorder the terms:
-9 + 6x = 1 + 21x

Solving
-9 + 6x = 1 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
-9 + 6x + -21x = 1 + 21x + -21x

Combine like terms: 6x + -21x = -15x
-9 + -15x = 1 + 21x + -21x

Combine like terms: 21x + -21x = 0
-9 + -15x = 1 + 0
-9 + -15x = 1

Add '9' to each side of the equation.
-9 + 9 + -15x = 1 + 9

Combine like terms: -9 + 9 = 0
0 + -15x = 1 + 9
-15x = 1 + 9

Combine like terms: 1 + 9 = 10
-15x = 10

Divide each side by '-15'.
x = -0.6666666667

Simplifying
x = -0.6666666667

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