3+7x+4x=-129

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Solution for 3+7x+4x=-129 equation: 


Simplifying
3 + 7x + 4x = -129

Combine like terms: 7x + 4x = 11x
3 + 11x = -129

Solving
3 + 11x = -129

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 11x = -129 + -3

Combine like terms: 3 + -3 = 0
0 + 11x = -129 + -3
11x = -129 + -3

Combine like terms: -129 + -3 = -132
11x = -132

Divide each side by '11'.
x = -12

Simplifying
x = -12

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