-9(t-5)-(t+7)=10

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Solution for -9(t-5)-(t+7)=10 equation: 


Simplifying
-9(t + -5) + -1(t + 7) = 10

Reorder the terms:
-9(-5 + t) + -1(t + 7) = 10
(-5 * -9 + t * -9) + -1(t + 7) = 10
(45 + -9t) + -1(t + 7) = 10

Reorder the terms:
45 + -9t + -1(7 + t) = 10
45 + -9t + (7 * -1 + t * -1) = 10
45 + -9t + (-7 + -1t) = 10

Reorder the terms:
45 + -7 + -9t + -1t = 10

Combine like terms: 45 + -7 = 38
38 + -9t + -1t = 10

Combine like terms: -9t + -1t = -10t
38 + -10t = 10

Solving
38 + -10t = 10

Solving for variable 't'.

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

Add '-38' to each side of the equation.
38 + -38 + -10t = 10 + -38

Combine like terms: 38 + -38 = 0
0 + -10t = 10 + -38
-10t = 10 + -38

Combine like terms: 10 + -38 = -28
-10t = -28

Divide each side by '-10'.
t = 2.8

Simplifying
t = 2.8

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