-2(-1)+(3-1+1)-3(6+-1)=-1

Solution for -2(-1)+(3-1+1)-3(6+-1)=-1 equation:

Simplifying
-2(-1) + (3 + -1 + 1) + -3(6 + -1) = -1

Multiply -2 * -1
2 + (3 + -1 + 1) + -3(6 + -1) = -1

Combine like terms: 3 + -1 = 2
2 + (2 + 1) + -3(6 + -1) = -1

Combine like terms: 2 + 1 = 3
2 + (3) + -3(6 + -1) = -1
2 + 3 + -3(6 + -1) = -1

Combine like terms: 6 + -1 = 5
2 + 3 + -3(5) = -1

Multiply -3 * 5
2 + 3 + -15 = -1

Combine like terms: 2 + 3 = 5
5 + -15 = -1

Combine like terms: 5 + -15 = -10
-10 = -1

Solving
-10 = -1

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.