-0.1x+0.4=2.5-0.8x

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Solution for -0.1x+0.4=2.5-0.8x equation: 


Simplifying
-0.1x + 0.4 = 2.5 + -0.8x

Reorder the terms:
0.4 + -0.1x = 2.5 + -0.8x

Solving
0.4 + -0.1x = 2.5 + -0.8x

Solving for variable 'x'.

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

Add '0.8x' to each side of the equation.
0.4 + -0.1x + 0.8x = 2.5 + -0.8x + 0.8x

Combine like terms: -0.1x + 0.8x = 0.7x
0.4 + 0.7x = 2.5 + -0.8x + 0.8x

Combine like terms: -0.8x + 0.8x = 0.0
0.4 + 0.7x = 2.5 + 0.0
0.4 + 0.7x = 2.5

Add '-0.4' to each side of the equation.
0.4 + -0.4 + 0.7x = 2.5 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + 0.7x = 2.5 + -0.4
0.7x = 2.5 + -0.4

Combine like terms: 2.5 + -0.4 = 2.1
0.7x = 2.1

Divide each side by '0.7'.
x = 3

Simplifying
x = 3

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