18-3(4)+9=15

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Solution for 18-3(4)+9=15 equation: 


Simplifying
18 + -3(4) + 9 = 15

Multiply -3 * 4
18 + -12 + 9 = 15

Combine like terms: 18 + -12 = 6
6 + 9 = 15

Combine like terms: 6 + 9 = 15
15 = 15

Add '-15' to each side of the equation.
15 + -15 = 15 + -15

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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