-3(5)-(2.5+5)=

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Solution for -3(5)-(2.5+5)= equation: 


Simplifying
-3(5) + -1(2.5 + 5) = 0

Multiply -3 * 5
-15 + -1(2.5 + 5) = 0

Combine like terms: 2.5 + 5 = 7.5
-15 + -1(7.5) = 0

Multiply -1 * 7.5
-15 + -7.5 = 0

Combine like terms: -15 + -7.5 = -22.5
-22.5 = 0

Solving
-22.5 = 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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