-9(t-4)-(t+9)=9

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Solution for -9(t-4)-(t+9)=9 equation:


Simplifying
-9(t + -4) + -1(t + 9) = 9

Reorder the terms:
-9(-4 + t) + -1(t + 9) = 9
(-4 * -9 + t * -9) + -1(t + 9) = 9
(36 + -9t) + -1(t + 9) = 9

Reorder the terms:
36 + -9t + -1(9 + t) = 9
36 + -9t + (9 * -1 + t * -1) = 9
36 + -9t + (-9 + -1t) = 9

Reorder the terms:
36 + -9 + -9t + -1t = 9

Combine like terms: 36 + -9 = 27
27 + -9t + -1t = 9

Combine like terms: -9t + -1t = -10t
27 + -10t = 9

Solving
27 + -10t = 9

Solving for variable 't'.

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

Add '-27' to each side of the equation.
27 + -27 + -10t = 9 + -27

Combine like terms: 27 + -27 = 0
0 + -10t = 9 + -27
-10t = 9 + -27

Combine like terms: 9 + -27 = -18
-10t = -18

Divide each side by '-10'.
t = 1.8

Simplifying
t = 1.8

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