7(t-3)-t=15

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


Simplifying
7(t + -3) + -1t = 15

Reorder the terms:
7(-3 + t) + -1t = 15
(-3 * 7 + t * 7) + -1t = 15
(-21 + 7t) + -1t = 15

Combine like terms: 7t + -1t = 6t
-21 + 6t = 15

Solving
-21 + 6t = 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 + 6t = 15 + 21

Combine like terms: -21 + 21 = 0
0 + 6t = 15 + 21
6t = 15 + 21

Combine like terms: 15 + 21 = 36
6t = 36

Divide each side by '6'.
t = 6

Simplifying
t = 6

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