3(t+7)-5t=15

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Solution for 3(t+7)-5t=15 equation:


Simplifying
3(t + 7) + -5t = 15

Reorder the terms:
3(7 + t) + -5t = 15
(7 * 3 + t * 3) + -5t = 15
(21 + 3t) + -5t = 15

Combine like terms: 3t + -5t = -2t
21 + -2t = 15

Solving
21 + -2t = 15

Solving for variable 't'.

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

Add '-21' to each side of the equation.
21 + -21 + -2t = 15 + -21

Combine like terms: 21 + -21 = 0
0 + -2t = 15 + -21
-2t = 15 + -21

Combine like terms: 15 + -21 = -6
-2t = -6

Divide each side by '-2'.
t = 3

Simplifying
t = 3

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