4(1-3x)=9(3+x)

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Solution for 4(1-3x)=9(3+x) equation:


Simplifying
4(1 + -3x) = 9(3 + x)
(1 * 4 + -3x * 4) = 9(3 + x)
(4 + -12x) = 9(3 + x)
4 + -12x = (3 * 9 + x * 9)
4 + -12x = (27 + 9x)

Solving
4 + -12x = 27 + 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 + -12x + -9x = 27 + 9x + -9x

Combine like terms: -12x + -9x = -21x
4 + -21x = 27 + 9x + -9x

Combine like terms: 9x + -9x = 0
4 + -21x = 27 + 0
4 + -21x = 27

Add '-4' to each side of the equation.
4 + -4 + -21x = 27 + -4

Combine like terms: 4 + -4 = 0
0 + -21x = 27 + -4
-21x = 27 + -4

Combine like terms: 27 + -4 = 23
-21x = 23

Divide each side by '-21'.
x = -1.095238095

Simplifying
x = -1.095238095

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