-16.8-(4.2)=

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Solution for -16.8-(4.2)= equation: 


Simplifying
-16.8 + -1(4.2) = 0

Multiply -1 * 4.2
-16.8 + -4.2 = 0

Combine like terms: -16.8 + -4.2 = -21
-21 = 0

Solving
-21 = 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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