2*81-72=90

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Solution for 2*81-72=90 equation: 


Simplifying
2 * 81 + -72 = 90

Multiply 2 * 81
162 + -72 = 90

Combine like terms: 162 + -72 = 90
90 = 90

Add '-90' to each side of the equation.
90 + -90 = 90 + -90

Combine like terms: 90 + -90 = 0
0 = 90 + -90

Combine like terms: 90 + -90 = 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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