4x+122=12x-7

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Solution for 4x+122=12x-7 equation:


Simplifying
4x + 122 = 12x + -7

Reorder the terms:
122 + 4x = 12x + -7

Reorder the terms:
122 + 4x = -7 + 12x

Solving
122 + 4x = -7 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
122 + 4x + -12x = -7 + 12x + -12x

Combine like terms: 4x + -12x = -8x
122 + -8x = -7 + 12x + -12x

Combine like terms: 12x + -12x = 0
122 + -8x = -7 + 0
122 + -8x = -7

Add '-122' to each side of the equation.
122 + -122 + -8x = -7 + -122

Combine like terms: 122 + -122 = 0
0 + -8x = -7 + -122
-8x = -7 + -122

Combine like terms: -7 + -122 = -129
-8x = -129

Divide each side by '-8'.
x = 16.125

Simplifying
x = 16.125

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