3(t+7)=9-5t

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Solution for 3(t+7)=9-5t equation:


Simplifying
3(t + 7) = 9 + -5t

Reorder the terms:
3(7 + t) = 9 + -5t
(7 * 3 + t * 3) = 9 + -5t
(21 + 3t) = 9 + -5t

Solving
21 + 3t = 9 + -5t

Solving for variable 't'.

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

Add '5t' to each side of the equation.
21 + 3t + 5t = 9 + -5t + 5t

Combine like terms: 3t + 5t = 8t
21 + 8t = 9 + -5t + 5t

Combine like terms: -5t + 5t = 0
21 + 8t = 9 + 0
21 + 8t = 9

Add '-21' to each side of the equation.
21 + -21 + 8t = 9 + -21

Combine like terms: 21 + -21 = 0
0 + 8t = 9 + -21
8t = 9 + -21

Combine like terms: 9 + -21 = -12
8t = -12

Divide each side by '8'.
t = -1.5

Simplifying
t = -1.5

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