3t+7=15-t

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Solution for 3t+7=15-t equation:


Simplifying
3t + 7 = 15 + -1t

Reorder the terms:
7 + 3t = 15 + -1t

Solving
7 + 3t = 15 + -1t

Solving for variable 't'.

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

Add 't' to each side of the equation.
7 + 3t + t = 15 + -1t + t

Combine like terms: 3t + t = 4t
7 + 4t = 15 + -1t + t

Combine like terms: -1t + t = 0
7 + 4t = 15 + 0
7 + 4t = 15

Add '-7' to each side of the equation.
7 + -7 + 4t = 15 + -7

Combine like terms: 7 + -7 = 0
0 + 4t = 15 + -7
4t = 15 + -7

Combine like terms: 15 + -7 = 8
4t = 8

Divide each side by '4'.
t = 2

Simplifying
t = 2

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