(0.4x-1.8)-(1.5x+1)-(-4x-0.8)=3.8

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Solution for (0.4x-1.8)-(1.5x+1)-(-4x-0.8)=3.8 equation:


Simplifying
(0.4x + -1.8) + -1(1.5x + 1) + -1(-4x + -0.8) = 3.8

Reorder the terms:
(-1.8 + 0.4x) + -1(1.5x + 1) + -1(-4x + -0.8) = 3.8

Remove parenthesis around (-1.8 + 0.4x)
-1.8 + 0.4x + -1(1.5x + 1) + -1(-4x + -0.8) = 3.8

Reorder the terms:
-1.8 + 0.4x + -1(1 + 1.5x) + -1(-4x + -0.8) = 3.8
-1.8 + 0.4x + (1 * -1 + 1.5x * -1) + -1(-4x + -0.8) = 3.8
-1.8 + 0.4x + (-1 + -1.5x) + -1(-4x + -0.8) = 3.8

Reorder the terms:
-1.8 + 0.4x + -1 + -1.5x + -1(-0.8 + -4x) = 3.8
-1.8 + 0.4x + -1 + -1.5x + (-0.8 * -1 + -4x * -1) = 3.8
-1.8 + 0.4x + -1 + -1.5x + (0.8 + 4x) = 3.8

Reorder the terms:
-1.8 + -1 + 0.8 + 0.4x + -1.5x + 4x = 3.8

Combine like terms: -1.8 + -1 = -2.8
-2.8 + 0.8 + 0.4x + -1.5x + 4x = 3.8

Combine like terms: -2.8 + 0.8 = -2
-2 + 0.4x + -1.5x + 4x = 3.8

Combine like terms: 0.4x + -1.5x = -1.1x
-2 + -1.1x + 4x = 3.8

Combine like terms: -1.1x + 4x = 2.9x
-2 + 2.9x = 3.8

Solving
-2 + 2.9x = 3.8

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 2.9x = 3.8 + 2

Combine like terms: -2 + 2 = 0
0 + 2.9x = 3.8 + 2
2.9x = 3.8 + 2

Combine like terms: 3.8 + 2 = 5.8
2.9x = 5.8

Divide each side by '2.9'.
x = 2

Simplifying
x = 2

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