12x+7=3x-12

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Solution for 12x+7=3x-12 equation:


Simplifying
12x + 7 = 3x + -12
Reorder the terms:
7 + 12x = 3x + -12
Reorder the terms:
7 + 12x = -12 + 3x
Solving
7 + 12x = -12 + 3x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-3x' to each side of the equation.
7 + 12x + -3x = -12 + 3x + -3x
Combine like terms: 12x + -3x = 9x
7 + 9x = -12 + 3x + -3x
Combine like terms: 3x + -3x = 0
7 + 9x = -12 + 0
7 + 9x = -12
Add '-7' to each side of the equation.
7 + -7 + 9x = -12 + -7
Combine like terms: 7 + -7 = 0
0 + 9x = -12 + -7
9x = -12 + -7
Combine like terms: -12 + -7 = -19
9x = -19
Divide each side by '9'.
x = -2.111111111
Simplifying
x = -2.111111111

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