2x-.4=1+1.8x

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Solution for 2x-.4=1+1.8x equation:


Simplifying
2x + -0.4 = 1 + 1.8x

Reorder the terms:
-0.4 + 2x = 1 + 1.8x

Solving
-0.4 + 2x = 1 + 1.8x

Solving for variable 'x'.

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

Add '-1.8x' to each side of the equation.
-0.4 + 2x + -1.8x = 1 + 1.8x + -1.8x

Combine like terms: 2x + -1.8x = 0.2x
-0.4 + 0.2x = 1 + 1.8x + -1.8x

Combine like terms: 1.8x + -1.8x = 0.0
-0.4 + 0.2x = 1 + 0.0
-0.4 + 0.2x = 1

Add '0.4' to each side of the equation.
-0.4 + 0.4 + 0.2x = 1 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + 0.2x = 1 + 0.4
0.2x = 1 + 0.4

Combine like terms: 1 + 0.4 = 1.4
0.2x = 1.4

Divide each side by '0.2'.
x = 7

Simplifying
x = 7

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