x-25=20-4x

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Solution for x-25=20-4x equation:


Simplifying
x + -25 = 20 + -4x

Reorder the terms:
-25 + x = 20 + -4x

Solving
-25 + x = 20 + -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.
-25 + x + 4x = 20 + -4x + 4x

Combine like terms: x + 4x = 5x
-25 + 5x = 20 + -4x + 4x

Combine like terms: -4x + 4x = 0
-25 + 5x = 20 + 0
-25 + 5x = 20

Add '25' to each side of the equation.
-25 + 25 + 5x = 20 + 25

Combine like terms: -25 + 25 = 0
0 + 5x = 20 + 25
5x = 20 + 25

Combine like terms: 20 + 25 = 45
5x = 45

Divide each side by '5'.
x = 9

Simplifying
x = 9

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