-5.4-(-30.9)+30.8+40.2-(-12)=

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Solution for -5.4-(-30.9)+30.8+40.2-(-12)= equation: 


Simplifying
-5.4 + -1(-30.9) + 30.8 + 40.2 + -1(-12) = 0

Multiply -1 * -30.9
-5.4 + 30.9 + 30.8 + 40.2 + -1(-12) = 0

Multiply -1 * -12
-5.4 + 30.9 + 30.8 + 40.2 + 12 = 0

Combine like terms: -5.4 + 30.9 = 25.5
25.5 + 30.8 + 40.2 + 12 = 0

Combine like terms: 25.5 + 30.8 = 56.3
56.3 + 40.2 + 12 = 0

Combine like terms: 56.3 + 40.2 = 96.5
96.5 + 12 = 0

Combine like terms: 96.5 + 12 = 108.5
108.5 = 0

Solving
108.5 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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