7t+3(t+7)=9

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


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

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

Reorder the terms:
21 + 7t + 3t = 9

Combine like terms: 7t + 3t = 10t
21 + 10t = 9

Solving
21 + 10t = 9

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 + 10t = 9 + -21

Combine like terms: 21 + -21 = 0
0 + 10t = 9 + -21
10t = 9 + -21

Combine like terms: 9 + -21 = -12
10t = -12

Divide each side by '10'.
t = -1.2

Simplifying
t = -1.2

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