4-x=9x

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Solution for 4-x=9x equation:


Simplifying
4 + -1x = 9x

Solving
4 + -1x = 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 + -1x + -9x = 9x + -9x

Combine like terms: -1x + -9x = -10x
4 + -10x = 9x + -9x

Combine like terms: 9x + -9x = 0
4 + -10x = 0

Add '-4' to each side of the equation.
4 + -4 + -10x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -10x = 0 + -4
-10x = 0 + -4

Combine like terms: 0 + -4 = -4
-10x = -4

Divide each side by '-10'.
x = 0.4

Simplifying
x = 0.4

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