25-3x-21=0

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Solution for 25-3x-21=0 equation:


Simplifying
25 + -3x + -21 = 0

Reorder the terms:
25 + -21 + -3x = 0

Combine like terms: 25 + -21 = 4
4 + -3x = 0

Solving
4 + -3x = 0

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + -3x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -3x = 0 + -4
-3x = 0 + -4

Combine like terms: 0 + -4 = -4
-3x = -4

Divide each side by '-3'.
x = 1.333333333

Simplifying
x = 1.333333333

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