9=2+2*(1+1)+1*(1+2)

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Solution for 9=2+2*(1+1)+1*(1+2) equation: 


Simplifying
9 = 2 + 2(1 + 1) + 1(1 + 2)

Combine like terms: 1 + 1 = 2
9 = 2 + 2(2) + 1(1 + 2)

Multiply 2 * 2
9 = 2 + 4 + 1(1 + 2)

Combine like terms: 1 + 2 = 3
9 = 2 + 4 + 1(3)

Multiply 1 * 3
9 = 2 + 4 + 3

Combine like terms: 2 + 4 = 6
9 = 6 + 3

Combine like terms: 6 + 3 = 9
9 = 9

Add '-9' to each side of the equation.
9 + -9 = 9 + -9

Combine like terms: 9 + -9 = 0
0 = 9 + -9

Combine like terms: 9 + -9 = 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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