3x+99=4x-25

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Solution for 3x+99=4x-25 equation:


Simplifying
3x + 99 = 4x + -25

Reorder the terms:
99 + 3x = 4x + -25

Reorder the terms:
99 + 3x = -25 + 4x

Solving
99 + 3x = -25 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
99 + 3x + -4x = -25 + 4x + -4x

Combine like terms: 3x + -4x = -1x
99 + -1x = -25 + 4x + -4x

Combine like terms: 4x + -4x = 0
99 + -1x = -25 + 0
99 + -1x = -25

Add '-99' to each side of the equation.
99 + -99 + -1x = -25 + -99

Combine like terms: 99 + -99 = 0
0 + -1x = -25 + -99
-1x = -25 + -99

Combine like terms: -25 + -99 = -124
-1x = -124

Divide each side by '-1'.
x = 124

Simplifying
x = 124

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