0.8x-1.8=3.9x+1.9

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Solution for 0.8x-1.8=3.9x+1.9 equation: 


Simplifying
0.8x + -1.8 = 3.9x + 1.9

Reorder the terms:
-1.8 + 0.8x = 3.9x + 1.9

Reorder the terms:
-1.8 + 0.8x = 1.9 + 3.9x

Solving
-1.8 + 0.8x = 1.9 + 3.9x

Solving for variable 'x'.

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

Add '-3.9x' to each side of the equation.
-1.8 + 0.8x + -3.9x = 1.9 + 3.9x + -3.9x

Combine like terms: 0.8x + -3.9x = -3.1x
-1.8 + -3.1x = 1.9 + 3.9x + -3.9x

Combine like terms: 3.9x + -3.9x = 0.0
-1.8 + -3.1x = 1.9 + 0.0
-1.8 + -3.1x = 1.9

Add '1.8' to each side of the equation.
-1.8 + 1.8 + -3.1x = 1.9 + 1.8

Combine like terms: -1.8 + 1.8 = 0.0
0.0 + -3.1x = 1.9 + 1.8
-3.1x = 1.9 + 1.8

Combine like terms: 1.9 + 1.8 = 3.7
-3.1x = 3.7

Divide each side by '-3.1'.
x = -1.193548387

Simplifying
x = -1.193548387

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