9x+12x+-15x+15x=-15

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Solution for 9x+12x+-15x+15x=-15 equation: 


Simplifying
9x + 12x + -15x + 15x = -15

Combine like terms: 9x + 12x = 21x
21x + -15x + 15x = -15

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

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

Solving
21x = -15

Solving for variable 'x'.

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

Divide each side by '21'.
x = -0.7142857143

Simplifying
x = -0.7142857143

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