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

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


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

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

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

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

Combine like terms: 36 + -9 = 27
27 + -4t + -1t = 9

Combine like terms: -4t + -1t = -5t
27 + -5t = 9

Solving
27 + -5t = 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 + -5t = 9 + -27

Combine like terms: 27 + -27 = 0
0 + -5t = 9 + -27
-5t = 9 + -27

Combine like terms: 9 + -27 = -18
-5t = -18

Divide each side by '-5'.
t = 3.6

Simplifying
t = 3.6

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