4-(2+1)=1

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Solution for 4-(2+1)=1 equation: 


Simplifying
4 + -1(2 + 1) = 1

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

Multiply -1 * 3
4 + -3 = 1

Combine like terms: 4 + -3 = 1
1 = 1

Add '-1' to each side of the equation.
1 + -1 = 1 + -1

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

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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