-2(9)+8+(9)+1=0

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Solution for -2(9)+8+(9)+1=0 equation: 


Simplifying
-2(9) + 8 + (9) + 1 = 0

Multiply -2 * 9
-18 + 8 + (9) + 1 = 0
-18 + 8 + 9 + 1 = 0

Combine like terms: -18 + 8 = -10
-10 + 9 + 1 = 0

Combine like terms: -10 + 9 = -1
-1 + 1 = 0

Combine like terms: -1 + 1 = 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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