-2(t-7)-(t+1)=2

Solution for -2(t-7)-(t+1)=2 equation:

Simplifying
-2(t + -7) + -1(t + 1) = 2

Reorder the terms:
-2(-7 + t) + -1(t + 1) = 2
(-7 * -2 + t * -2) + -1(t + 1) = 2
(14 + -2t) + -1(t + 1) = 2

Reorder the terms:
14 + -2t + -1(1 + t) = 2
14 + -2t + (1 * -1 + t * -1) = 2
14 + -2t + (-1 + -1t) = 2

Reorder the terms:
14 + -1 + -2t + -1t = 2

Combine like terms: 14 + -1 = 13
13 + -2t + -1t = 2

Combine like terms: -2t + -1t = -3t
13 + -3t = 2

Solving
13 + -3t = 2

Solving for variable 't'.

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

Add '-13' to each side of the equation.
13 + -13 + -3t = 2 + -13

Combine like terms: 13 + -13 = 0
0 + -3t = 2 + -13
-3t = 2 + -13

Combine like terms: 2 + -13 = -11
-3t = -11

Divide each side by '-3'.
t = 3.666666667

Simplifying
t = 3.666666667