2[t-3]-2=7

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

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

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

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

Combine like terms: -6 + -2 = -8
-8 + 2t = 7

Solving
-8 + 2t = 7

Solving for variable 't'.

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

Add '8' to each side of the equation.
-8 + 8 + 2t = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 2t = 7 + 8
2t = 7 + 8

Combine like terms: 7 + 8 = 15
2t = 15

Divide each side by '2'.
t = 7.5

Simplifying
t = 7.5