20+30*0+1=21

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Solution for 20+30*0+1=21 equation:


Simplifying
20 + 30 * 0 + 1 = 21

Multiply 30 * 0
20 + 0 + 1 = 21

Anything times zero is zero.
20 + 0 + 1 = 21

Combine like terms: 20 + 0 = 20
20 + 1 = 21

Combine like terms: 20 + 1 = 21
21 = 21

Add '-21' to each side of the equation.
21 + -21 = 21 + -21

Combine like terms: 21 + -21 = 0
0 = 21 + -21

Combine like terms: 21 + -21 = 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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