3x-25=20

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Solution for 3x-25=20 equation: 


Simplifying
3x + -25 = 20

Reorder the terms:
-25 + 3x = 20

Solving
-25 + 3x = 20

Solving for variable 'x'.

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

Add '25' to each side of the equation.
-25 + 25 + 3x = 20 + 25

Combine like terms: -25 + 25 = 0
0 + 3x = 20 + 25
3x = 20 + 25

Combine like terms: 20 + 25 = 45
3x = 45

Divide each side by '3'.
x = 15

Simplifying
x = 15

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