4x+129=9x+311

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Solution for 4x+129=9x+311 equation:


Simplifying
4x + 129 = 9x + 311

Reorder the terms:
129 + 4x = 9x + 311

Reorder the terms:
129 + 4x = 311 + 9x

Solving
129 + 4x = 311 + 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.
129 + 4x + -9x = 311 + 9x + -9x

Combine like terms: 4x + -9x = -5x
129 + -5x = 311 + 9x + -9x

Combine like terms: 9x + -9x = 0
129 + -5x = 311 + 0
129 + -5x = 311

Add '-129' to each side of the equation.
129 + -129 + -5x = 311 + -129

Combine like terms: 129 + -129 = 0
0 + -5x = 311 + -129
-5x = 311 + -129

Combine like terms: 311 + -129 = 182
-5x = 182

Divide each side by '-5'.
x = -36.4

Simplifying
x = -36.4

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