2[t-3]-3=7

Solution for 2[t-3]-3=7 equation:

Simplifying
2[t + -3] + -3 = 7

Reorder the terms:
2[-3 + t] + -3 = 7
[-3 * 2 + t * 2] + -3 = 7
[-6 + 2t] + -3 = 7

Reorder the terms:
-6 + -3 + 2t = 7

Combine like terms: -6 + -3 = -9
-9 + 2t = 7

Solving
-9 + 2t = 7

Solving for variable 't'.

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

Add '9' to each side of the equation.
-9 + 9 + 2t = 7 + 9

Combine like terms: -9 + 9 = 0
0 + 2t = 7 + 9
2t = 7 + 9

Combine like terms: 7 + 9 = 16
2t = 16

Divide each side by '2'.
t = 8

Simplifying
t = 8