[6(7-1)-2]-[2-(3-4)]=31

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Solution for [6(7-1)-2]-[2-(3-4)]=31 equation: 


Simplifying
[6(7 + -1) + -2] + -1[2 + -1(3 + -4)] = 31

Combine like terms: 7 + -1 = 6
[6(6) + -2] + -1[2 + -1(3 + -4)] = 31

Multiply 6 * 6
[36 + -2] + -1[2 + -1(3 + -4)] = 31

Combine like terms: 36 + -2 = 34
[34] + -1[2 + -1(3 + -4)] = 31
34 + -1[2 + -1(3 + -4)] = 31

Combine like terms: 3 + -4 = -1
34 + -1[2 + -1(-1)] = 31

Multiply -1 * -1
34 + -1[2 + 1] = 31

Combine like terms: 2 + 1 = 3
34 + -1[3] = 31

Multiply -1 * 3
34 + -3 = 31

Combine like terms: 34 + -3 = 31
31 = 31

Add '-31' to each side of the equation.
31 + -31 = 31 + -31

Combine like terms: 31 + -31 = 0
0 = 31 + -31

Combine like terms: 31 + -31 = 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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