2+9=2*2+7

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Solution for 2+9=2*2+7 equation: 


Simplifying
2 + 9 = 2 * 2 + 7

Combine like terms: 2 + 9 = 11
11 = 2 * 2 + 7

Multiply 2 * 2
11 = 4 + 7

Combine like terms: 4 + 7 = 11
11 = 11

Add '-11' to each side of the equation.
11 + -11 = 11 + -11

Combine like terms: 11 + -11 = 0
0 = 11 + -11

Combine like terms: 11 + -11 = 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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