3-8x=21.4

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Solution for 3-8x=21.4 equation: 


Simplifying
3 + -8x = 21.4

Solving
3 + -8x = 21.4

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + -8x = 21.4 + -3

Combine like terms: 3 + -3 = 0
0 + -8x = 21.4 + -3
-8x = 21.4 + -3

Combine like terms: 21.4 + -3 = 18.4
-8x = 18.4

Divide each side by '-8'.
x = -2.3

Simplifying
x = -2.3

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