12x+20=9x-10

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Solution for 12x+20=9x-10 equation:


Simplifying
12x + 20 = 9x + -10

Reorder the terms:
20 + 12x = 9x + -10

Reorder the terms:
20 + 12x = -10 + 9x

Solving
20 + 12x = -10 + 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.
20 + 12x + -9x = -10 + 9x + -9x

Combine like terms: 12x + -9x = 3x
20 + 3x = -10 + 9x + -9x

Combine like terms: 9x + -9x = 0
20 + 3x = -10 + 0
20 + 3x = -10

Add '-20' to each side of the equation.
20 + -20 + 3x = -10 + -20

Combine like terms: 20 + -20 = 0
0 + 3x = -10 + -20
3x = -10 + -20

Combine like terms: -10 + -20 = -30
3x = -30

Divide each side by '3'.
x = -10

Simplifying
x = -10

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