x=25-2(20-x)

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Solution for x=25-2(20-x) equation:


Simplifying
x = 25 + -2(20 + -1x)
x = 25 + (20 * -2 + -1x * -2)
x = 25 + (-40 + 2x)

Combine like terms: 25 + -40 = -15
x = -15 + 2x

Solving
x = -15 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
x + -2x = -15 + 2x + -2x

Combine like terms: x + -2x = -1x
-1x = -15 + 2x + -2x

Combine like terms: 2x + -2x = 0
-1x = -15 + 0
-1x = -15

Divide each side by '-1'.
x = 15

Simplifying
x = 15

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