3=3(4)-9

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Solution for 3=3(4)-9 equation: 


Simplifying
3 = 3(4) + -9

Multiply 3 * 4
3 = 12 + -9

Combine like terms: 12 + -9 = 3
3 = 3

Add '-3' to each side of the equation.
3 + -3 = 3 + -3

Combine like terms: 3 + -3 = 0
0 = 3 + -3

Combine like terms: 3 + -3 = 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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