4x=9+4(3x-9)

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Solution for 4x=9+4(3x-9) equation:


Simplifying
4x = 9 + 4(3x + -9)

Reorder the terms:
4x = 9 + 4(-9 + 3x)
4x = 9 + (-9 * 4 + 3x * 4)
4x = 9 + (-36 + 12x)

Combine like terms: 9 + -36 = -27
4x = -27 + 12x

Solving
4x = -27 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
4x + -12x = -27 + 12x + -12x

Combine like terms: 4x + -12x = -8x
-8x = -27 + 12x + -12x

Combine like terms: 12x + -12x = 0
-8x = -27 + 0
-8x = -27

Divide each side by '-8'.
x = 3.375

Simplifying
x = 3.375

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