0.8-2.1x=8

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Solution for 0.8-2.1x=8 equation: 


Simplifying
0.8 + -2.1x = 8

Solving
0.8 + -2.1x = 8

Solving for variable 'x'.

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

Add '-0.8' to each side of the equation.
0.8 + -0.8 + -2.1x = 8 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + -2.1x = 8 + -0.8
-2.1x = 8 + -0.8

Combine like terms: 8 + -0.8 = 7.2
-2.1x = 7.2

Divide each side by '-2.1'.
x = -3.428571429

Simplifying
x = -3.428571429

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