20=40+12x

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Solution for 20=40+12x equation:


Simplifying
20 = 40 + 12x

Solving
20 = 40 + 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 + -12x = 40 + 12x + -12x

Combine like terms: 12x + -12x = 0
20 + -12x = 40 + 0
20 + -12x = 40

Add '-20' to each side of the equation.
20 + -20 + -12x = 40 + -20

Combine like terms: 20 + -20 = 0
0 + -12x = 40 + -20
-12x = 40 + -20

Combine like terms: 40 + -20 = 20
-12x = 20

Divide each side by '-12'.
x = -1.666666667

Simplifying
x = -1.666666667

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