3x+20=12x-64

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Solution for 3x+20=12x-64 equation:


Simplifying
3x + 20 = 12x + -64

Reorder the terms:
20 + 3x = 12x + -64

Reorder the terms:
20 + 3x = -64 + 12x

Solving
20 + 3x = -64 + 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.
20 + 3x + -12x = -64 + 12x + -12x

Combine like terms: 3x + -12x = -9x
20 + -9x = -64 + 12x + -12x

Combine like terms: 12x + -12x = 0
20 + -9x = -64 + 0
20 + -9x = -64

Add '-20' to each side of the equation.
20 + -20 + -9x = -64 + -20

Combine like terms: 20 + -20 = 0
0 + -9x = -64 + -20
-9x = -64 + -20

Combine like terms: -64 + -20 = -84
-9x = -84

Divide each side by '-9'.
x = 9.333333333

Simplifying
x = 9.333333333

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