7x-1.8=4x+0.4

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Solution for 7x-1.8=4x+0.4 equation:


Simplifying
7x + -1.8 = 4x + 0.4

Reorder the terms:
-1.8 + 7x = 4x + 0.4

Reorder the terms:
-1.8 + 7x = 0.4 + 4x

Solving
-1.8 + 7x = 0.4 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-1.8 + 7x + -4x = 0.4 + 4x + -4x

Combine like terms: 7x + -4x = 3x
-1.8 + 3x = 0.4 + 4x + -4x

Combine like terms: 4x + -4x = 0
-1.8 + 3x = 0.4 + 0
-1.8 + 3x = 0.4

Add '1.8' to each side of the equation.
-1.8 + 1.8 + 3x = 0.4 + 1.8

Combine like terms: -1.8 + 1.8 = 0.0
0.0 + 3x = 0.4 + 1.8
3x = 0.4 + 1.8

Combine like terms: 0.4 + 1.8 = 2.2
3x = 2.2

Divide each side by '3'.
x = 0.7333333333

Simplifying
x = 0.7333333333

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