3*9-x=4x

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Solution for 3*9-x=4x equation:


Simplifying
3 * 9 + -1x = 4x

Multiply 3 * 9
27 + -1x = 4x

Solving
27 + -1x = 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.
27 + -1x + -4x = 4x + -4x

Combine like terms: -1x + -4x = -5x
27 + -5x = 4x + -4x

Combine like terms: 4x + -4x = 0
27 + -5x = 0

Add '-27' to each side of the equation.
27 + -27 + -5x = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -5x = 0 + -27
-5x = 0 + -27

Combine like terms: 0 + -27 = -27
-5x = -27

Divide each side by '-5'.
x = 5.4

Simplifying
x = 5.4

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