(-0.8)+(-7.2)-5.4=x

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Solution for (-0.8)+(-7.2)-5.4=x equation: 


Simplifying
(-0.8) + (-7.2) + -5.4 = x
-0.8 + (-7.2) + -5.4 = x
-0.8 + -7.2 + -5.4 = x

Combine like terms: -0.8 + -7.2 = -8
-8 + -5.4 = x

Combine like terms: -8 + -5.4 = -13.4
-13.4 = x

Solving
-13.4 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-13.4 + -1x = x + -1x

Combine like terms: x + -1x = 0
-13.4 + -1x = 0

Add '13.4' to each side of the equation.
-13.4 + 13.4 + -1x = 0 + 13.4

Combine like terms: -13.4 + 13.4 = 0.0
0.0 + -1x = 0 + 13.4
-1x = 0 + 13.4

Combine like terms: 0 + 13.4 = 13.4
-1x = 13.4

Divide each side by '-1'.
x = -13.4

Simplifying
x = -13.4

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