18-2(7-4)=

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Solution for 18-2(7-4)= equation: 


Simplifying
18 + -2(7 + -4) = 0

Combine like terms: 7 + -4 = 3
18 + -2(3) = 0

Multiply -2 * 3
18 + -6 = 0

Combine like terms: 18 + -6 = 12
12 = 0

Solving
12 = 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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