4+3(12-9)=

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Solution for 4+3(12-9)= equation: 


Simplifying
4 + 3(12 + -9) = 0

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

Multiply 3 * 3
4 + 9 = 0

Combine like terms: 4 + 9 = 13
13 = 0

Solving
13 = 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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