(3x-0.4)=(x+1.4)

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Solution for (3x-0.4)=(x+1.4) equation:


Simplifying
(3x + -0.4) = (x + 1.4)

Reorder the terms:
(-0.4 + 3x) = (x + 1.4)

Remove parenthesis around (-0.4 + 3x)
-0.4 + 3x = (x + 1.4)

Reorder the terms:
-0.4 + 3x = (1.4 + x)

Remove parenthesis around (1.4 + x)
-0.4 + 3x = 1.4 + x

Solving
-0.4 + 3x = 1.4 + 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.
-0.4 + 3x + -1x = 1.4 + x + -1x

Combine like terms: 3x + -1x = 2x
-0.4 + 2x = 1.4 + x + -1x

Combine like terms: x + -1x = 0
-0.4 + 2x = 1.4 + 0
-0.4 + 2x = 1.4

Add '0.4' to each side of the equation.
-0.4 + 0.4 + 2x = 1.4 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + 2x = 1.4 + 0.4
2x = 1.4 + 0.4

Combine like terms: 1.4 + 0.4 = 1.8
2x = 1.8

Divide each side by '2'.
x = 0.9

Simplifying
x = 0.9

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