-8(t+7)-(t+3)=5

Solution for -8(t+7)-(t+3)=5 equation:

Simplifying
-8(t + 7) + -1(t + 3) = 5

Reorder the terms:
-8(7 + t) + -1(t + 3) = 5
(7 * -8 + t * -8) + -1(t + 3) = 5
(-56 + -8t) + -1(t + 3) = 5

Reorder the terms:
-56 + -8t + -1(3 + t) = 5
-56 + -8t + (3 * -1 + t * -1) = 5
-56 + -8t + (-3 + -1t) = 5

Reorder the terms:
-56 + -3 + -8t + -1t = 5

Combine like terms: -56 + -3 = -59
-59 + -8t + -1t = 5

Combine like terms: -8t + -1t = -9t
-59 + -9t = 5

Solving
-59 + -9t = 5

Solving for variable 't'.

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

Add '59' to each side of the equation.
-59 + 59 + -9t = 5 + 59

Combine like terms: -59 + 59 = 0
0 + -9t = 5 + 59
-9t = 5 + 59

Combine like terms: 5 + 59 = 64
-9t = 64

Divide each side by '-9'.
t = -7.111111111

Simplifying
t = -7.111111111