3t+3(t+5)=21

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Solution for 3t+3(t+5)=21 equation: 


Simplifying
3t + 3(t + 5) = 21

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

Reorder the terms:
15 + 3t + 3t = 21

Combine like terms: 3t + 3t = 6t
15 + 6t = 21

Solving
15 + 6t = 21

Solving for variable 't'.

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

Add '-15' to each side of the equation.
15 + -15 + 6t = 21 + -15

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

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

Divide each side by '6'.
t = 1

Simplifying
t = 1

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