(-6)2-2[3-4(2+1)]=t

Solution for (-6)2-2[3-4(2+1)]=t equation:

Simplifying
(-6) * 2 + -2[3 + -4(2 + 1)] = t

Multiply -6 * 2
-12 + -2[3 + -4(2 + 1)] = t

Combine like terms: 2 + 1 = 3
-12 + -2[3 + -4(3)] = t

Multiply -4 * 3
-12 + -2[3 + -12] = t

Combine like terms: 3 + -12 = -9
-12 + -2[-9] = t

Multiply -2 * -9
-12 + 18 = t

Combine like terms: -12 + 18 = 6
6 = t

Solving
6 = t

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '-1t' to each side of the equation.
6 + -1t = t + -1t

Combine like terms: t + -1t = 0
6 + -1t = 0

Add '-6' to each side of the equation.
6 + -6 + -1t = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -1t = 0 + -6
-1t = 0 + -6

Combine like terms: 0 + -6 = -6
-1t = -6

Divide each side by '-1'.
t = 6

Simplifying
t = 6