20.7=3x+9

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Solution for 20.7=3x+9 equation:


Simplifying
20.7 = 3x + 9

Reorder the terms:
20.7 = 9 + 3x

Solving
20.7 = 9 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
20.7 + -3x = 9 + 3x + -3x

Combine like terms: 3x + -3x = 0
20.7 + -3x = 9 + 0
20.7 + -3x = 9

Add '-20.7' to each side of the equation.
20.7 + -20.7 + -3x = 9 + -20.7

Combine like terms: 20.7 + -20.7 = 0.0
0.0 + -3x = 9 + -20.7
-3x = 9 + -20.7

Combine like terms: 9 + -20.7 = -11.7
-3x = -11.7

Divide each side by '-3'.
x = 3.9

Simplifying
x = 3.9

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