21.42=-3x+6x+.43

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Solution for 21.42=-3x+6x+.43 equation: 


Simplifying
21.42 = -3x + 6x + 0.43

Reorder the terms:
21.42 = 0.43 + -3x + 6x

Combine like terms: -3x + 6x = 3x
21.42 = 0.43 + 3x

Solving
21.42 = 0.43 + 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.
21.42 + -3x = 0.43 + 3x + -3x

Combine like terms: 3x + -3x = 0
21.42 + -3x = 0.43 + 0
21.42 + -3x = 0.43

Add '-21.42' to each side of the equation.
21.42 + -21.42 + -3x = 0.43 + -21.42

Combine like terms: 21.42 + -21.42 = 0.00
0.00 + -3x = 0.43 + -21.42
-3x = 0.43 + -21.42

Combine like terms: 0.43 + -21.42 = -20.99
-3x = -20.99

Divide each side by '-3'.
x = 6.996666667

Simplifying
x = 6.996666667

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