12x-4=-9x-15

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Solution for 12x-4=-9x-15 equation:


Simplifying
12x + -4 = -9x + -15

Reorder the terms:
-4 + 12x = -9x + -15

Reorder the terms:
-4 + 12x = -15 + -9x

Solving
-4 + 12x = -15 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-4 + 12x + 9x = -15 + -9x + 9x

Combine like terms: 12x + 9x = 21x
-4 + 21x = -15 + -9x + 9x

Combine like terms: -9x + 9x = 0
-4 + 21x = -15 + 0
-4 + 21x = -15

Add '4' to each side of the equation.
-4 + 4 + 21x = -15 + 4

Combine like terms: -4 + 4 = 0
0 + 21x = -15 + 4
21x = -15 + 4

Combine like terms: -15 + 4 = -11
21x = -11

Divide each side by '21'.
x = -0.5238095238

Simplifying
x = -0.5238095238

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