-9(t-9)-(t+5)=8

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Solution for -9(t-9)-(t+5)=8 equation: 


Simplifying
-9(t + -9) + -1(t + 5) = 8

Reorder the terms:
-9(-9 + t) + -1(t + 5) = 8
(-9 * -9 + t * -9) + -1(t + 5) = 8
(81 + -9t) + -1(t + 5) = 8

Reorder the terms:
81 + -9t + -1(5 + t) = 8
81 + -9t + (5 * -1 + t * -1) = 8
81 + -9t + (-5 + -1t) = 8

Reorder the terms:
81 + -5 + -9t + -1t = 8

Combine like terms: 81 + -5 = 76
76 + -9t + -1t = 8

Combine like terms: -9t + -1t = -10t
76 + -10t = 8

Solving
76 + -10t = 8

Solving for variable 't'.

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

Add '-76' to each side of the equation.
76 + -76 + -10t = 8 + -76

Combine like terms: 76 + -76 = 0
0 + -10t = 8 + -76
-10t = 8 + -76

Combine like terms: 8 + -76 = -68
-10t = -68

Divide each side by '-10'.
t = 6.8

Simplifying
t = 6.8

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