9x+12x-15=0

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Solution for 9x+12x-15=0 equation:


Simplifying
9x + 12x + -15 = 0

Reorder the terms:
-15 + 9x + 12x = 0

Combine like terms: 9x + 12x = 21x
-15 + 21x = 0

Solving
-15 + 21x = 0

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 21x = 0 + 15

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

Combine like terms: 0 + 15 = 15
21x = 15

Divide each side by '21'.
x = 0.7142857143

Simplifying
x = 0.7142857143

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