2x-3.9=x-3.5

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Solution for 2x-3.9=x-3.5 equation:


Simplifying
2x + -3.9 = x + -3.5

Reorder the terms:
-3.9 + 2x = x + -3.5

Reorder the terms:
-3.9 + 2x = -3.5 + x

Solving
-3.9 + 2x = -3.5 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-3.9 + 2x + -1x = -3.5 + x + -1x

Combine like terms: 2x + -1x = 1x
-3.9 + 1x = -3.5 + x + -1x

Combine like terms: x + -1x = 0
-3.9 + 1x = -3.5 + 0
-3.9 + 1x = -3.5

Add '3.9' to each side of the equation.
-3.9 + 3.9 + 1x = -3.5 + 3.9

Combine like terms: -3.9 + 3.9 = 0.0
0.0 + 1x = -3.5 + 3.9
1x = -3.5 + 3.9

Combine like terms: -3.5 + 3.9 = 0.4
1x = 0.4

Divide each side by '1'.
x = 0.4

Simplifying
x = 0.4

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