.4x-.2(x+4)=1.4(x+2)

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Solution for .4x-.2(x+4)=1.4(x+2) equation:


Simplifying
0.4x + -0.2(x + 4) = 1.4(x + 2)

Reorder the terms:
0.4x + -0.2(4 + x) = 1.4(x + 2)
0.4x + (4 * -0.2 + x * -0.2) = 1.4(x + 2)
0.4x + (-0.8 + -0.2x) = 1.4(x + 2)

Reorder the terms:
-0.8 + 0.4x + -0.2x = 1.4(x + 2)

Combine like terms: 0.4x + -0.2x = 0.2x
-0.8 + 0.2x = 1.4(x + 2)

Reorder the terms:
-0.8 + 0.2x = 1.4(2 + x)
-0.8 + 0.2x = (2 * 1.4 + x * 1.4)
-0.8 + 0.2x = (2.8 + 1.4x)

Solving
-0.8 + 0.2x = 2.8 + 1.4x

Solving for variable 'x'.

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

Add '-1.4x' to each side of the equation.
-0.8 + 0.2x + -1.4x = 2.8 + 1.4x + -1.4x

Combine like terms: 0.2x + -1.4x = -1.2x
-0.8 + -1.2x = 2.8 + 1.4x + -1.4x

Combine like terms: 1.4x + -1.4x = 0.0
-0.8 + -1.2x = 2.8 + 0.0
-0.8 + -1.2x = 2.8

Add '0.8' to each side of the equation.
-0.8 + 0.8 + -1.2x = 2.8 + 0.8

Combine like terms: -0.8 + 0.8 = 0.0
0.0 + -1.2x = 2.8 + 0.8
-1.2x = 2.8 + 0.8

Combine like terms: 2.8 + 0.8 = 3.6
-1.2x = 3.6

Divide each side by '-1.2'.
x = -3

Simplifying
x = -3

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