18+21+3(18)-15=

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Solution for 18+21+3(18)-15= equation: 


Simplifying
18 + 21 + 3(18) + -15 = 0

Multiply 3 * 18
18 + 21 + 54 + -15 = 0

Combine like terms: 18 + 21 = 39
39 + 54 + -15 = 0

Combine like terms: 39 + 54 = 93
93 + -15 = 0

Combine like terms: 93 + -15 = 78
78 = 0

Solving
78 = 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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