(t+8)+(t-7)=

Solution for (t+8)+(t-7)= equation:

Simplifying
(t + 8) + (t + -7) = 0

Reorder the terms:
(8 + t) + (t + -7) = 0

Remove parenthesis around (8 + t)
8 + t + (t + -7) = 0

Reorder the terms:
8 + t + (-7 + t) = 0

Remove parenthesis around (-7 + t)
8 + t + -7 + t = 0

Reorder the terms:
8 + -7 + t + t = 0

Combine like terms: 8 + -7 = 1
1 + t + t = 0

Combine like terms: t + t = 2t
1 + 2t = 0

Solving
1 + 2t = 0

Solving for variable 't'.

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

Add '-1' to each side of the equation.
1 + -1 + 2t = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 2t = 0 + -1
2t = 0 + -1

Combine like terms: 0 + -1 = -1
2t = -1

Divide each side by '2'.
t = -0.5

Simplifying
t = -0.5