x+4(1-x)=9x

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Solution for x+4(1-x)=9x equation:


Simplifying
x + 4(1 + -1x) = 9x
x + (1 * 4 + -1x * 4) = 9x
x + (4 + -4x) = 9x

Reorder the terms:
4 + x + -4x = 9x

Combine like terms: x + -4x = -3x
4 + -3x = 9x

Solving
4 + -3x = 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
4 + -3x + -9x = 9x + -9x

Combine like terms: -3x + -9x = -12x
4 + -12x = 9x + -9x

Combine like terms: 9x + -9x = 0
4 + -12x = 0

Add '-4' to each side of the equation.
4 + -4 + -12x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -12x = 0 + -4
-12x = 0 + -4

Combine like terms: 0 + -4 = -4
-12x = -4

Divide each side by '-12'.
x = 0.3333333333

Simplifying
x = 0.3333333333

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