-12+3*(1-5)+(9-15)=

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Solution for -12+3*(1-5)+(9-15)= equation: 


Simplifying
-12 + 3(1 + -5) + (9 + -15) = 0

Combine like terms: 1 + -5 = -4
-12 + 3(-4) + (9 + -15) = 0

Multiply 3 * -4
-12 + -12 + (9 + -15) = 0

Combine like terms: 9 + -15 = -6
-12 + -12 + (-6) = 0
-12 + -12 + -6 = 0

Combine like terms: -12 + -12 = -24
-24 + -6 = 0

Combine like terms: -24 + -6 = -30
-30 = 0

Solving
-30 = 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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