18=15+3(1-1)

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Solution for 18=15+3(1-1) equation: 


Simplifying
18 = 15 + 3(1 + -1)

Combine like terms: 1 + -1 = 0
18 = 15 + 3(0)

Multiply 3 * 0
18 = 15 + 0

Anything times zero is zero.
18 = 15 + 0

Combine like terms: 15 + 0 = 15
18 = 15

Solving
18 = 15

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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