4(3x+9)=20

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Solution for 4(3x+9)=20 equation: 


Simplifying
4(3x + 9) = 20

Reorder the terms:
4(9 + 3x) = 20
(9 * 4 + 3x * 4) = 20
(36 + 12x) = 20

Solving
36 + 12x = 20

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + 12x = 20 + -36

Combine like terms: 36 + -36 = 0
0 + 12x = 20 + -36
12x = 20 + -36

Combine like terms: 20 + -36 = -16
12x = -16

Divide each side by '12'.
x = -1.333333333

Simplifying
x = -1.333333333

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