2(4)+1+3(4)+21=9(4)+6

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Solution for 2(4)+1+3(4)+21=9(4)+6 equation: 


Simplifying
2(4) + 1 + 3(4) + 21 = 9(4) + 6

Multiply 2 * 4
8 + 1 + 3(4) + 21 = 9(4) + 6

Multiply 3 * 4
8 + 1 + 12 + 21 = 9(4) + 6

Combine like terms: 8 + 1 = 9
9 + 12 + 21 = 9(4) + 6

Combine like terms: 9 + 12 = 21
21 + 21 = 9(4) + 6

Combine like terms: 21 + 21 = 42
42 = 9(4) + 6

Multiply 9 * 4
42 = 36 + 6

Combine like terms: 36 + 6 = 42
42 = 42

Add '-42' to each side of the equation.
42 + -42 = 42 + -42

Combine like terms: 42 + -42 = 0
0 = 42 + -42

Combine like terms: 42 + -42 = 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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