4x+25=12x-39

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Solution for 4x+25=12x-39 equation:


Simplifying
4x + 25 = 12x + -39

Reorder the terms:
25 + 4x = 12x + -39

Reorder the terms:
25 + 4x = -39 + 12x

Solving
25 + 4x = -39 + 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.
25 + 4x + -12x = -39 + 12x + -12x

Combine like terms: 4x + -12x = -8x
25 + -8x = -39 + 12x + -12x

Combine like terms: 12x + -12x = 0
25 + -8x = -39 + 0
25 + -8x = -39

Add '-25' to each side of the equation.
25 + -25 + -8x = -39 + -25

Combine like terms: 25 + -25 = 0
0 + -8x = -39 + -25
-8x = -39 + -25

Combine like terms: -39 + -25 = -64
-8x = -64

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

Simplifying
x = 8

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