21x+9-6x-2=

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Solution for 21x+9-6x-2= equation:


Simplifying
21x + 9 + -6x + -2 = 0

Reorder the terms:
9 + -2 + 21x + -6x = 0

Combine like terms: 9 + -2 = 7
7 + 21x + -6x = 0

Combine like terms: 21x + -6x = 15x
7 + 15x = 0

Solving
7 + 15x = 0

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 15x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 15x = 0 + -7
15x = 0 + -7

Combine like terms: 0 + -7 = -7
15x = -7

Divide each side by '15'.
x = -0.4666666667

Simplifying
x = -0.4666666667

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