3(7)+9=30

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Solution for 3(7)+9=30 equation: 


Simplifying
3(7) + 9 = 30

Multiply 3 * 7
21 + 9 = 30

Combine like terms: 21 + 9 = 30
30 = 30

Add '-30' to each side of the equation.
30 + -30 = 30 + -30

Combine like terms: 30 + -30 = 0
0 = 30 + -30

Combine like terms: 30 + -30 = 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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