4x+115=12x-13

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Solution for 4x+115=12x-13 equation:


Simplifying
4x + 115 = 12x + -13

Reorder the terms:
115 + 4x = 12x + -13

Reorder the terms:
115 + 4x = -13 + 12x

Solving
115 + 4x = -13 + 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.
115 + 4x + -12x = -13 + 12x + -12x

Combine like terms: 4x + -12x = -8x
115 + -8x = -13 + 12x + -12x

Combine like terms: 12x + -12x = 0
115 + -8x = -13 + 0
115 + -8x = -13

Add '-115' to each side of the equation.
115 + -115 + -8x = -13 + -115

Combine like terms: 115 + -115 = 0
0 + -8x = -13 + -115
-8x = -13 + -115

Combine like terms: -13 + -115 = -128
-8x = -128

Divide each side by '-8'.
x = 16

Simplifying
x = 16

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