0.8x+5.1=3.9

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Solution for 0.8x+5.1=3.9 equation:


Simplifying
0.8x + 5.1 = 3.9

Reorder the terms:
5.1 + 0.8x = 3.9

Solving
5.1 + 0.8x = 3.9

Solving for variable 'x'.

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

Add '-5.1' to each side of the equation.
5.1 + -5.1 + 0.8x = 3.9 + -5.1

Combine like terms: 5.1 + -5.1 = 0.0
0.0 + 0.8x = 3.9 + -5.1
0.8x = 3.9 + -5.1

Combine like terms: 3.9 + -5.1 = -1.2
0.8x = -1.2

Divide each side by '0.8'.
x = -1.5

Simplifying
x = -1.5

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