-.4x-.8+5=-7

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Solution for -.4x-.8+5=-7 equation:


Simplifying
-0.4x + -0.8 + 5 = -7

Reorder the terms:
-0.8 + 5 + -0.4x = -7

Combine like terms: -0.8 + 5 = 4.2
4.2 + -0.4x = -7

Solving
4.2 + -0.4x = -7

Solving for variable 'x'.

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

Add '-4.2' to each side of the equation.
4.2 + -4.2 + -0.4x = -7 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + -0.4x = -7 + -4.2
-0.4x = -7 + -4.2

Combine like terms: -7 + -4.2 = -11.2
-0.4x = -11.2

Divide each side by '-0.4'.
x = 28

Simplifying
x = 28

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