15+3t=7-t

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


Simplifying
15 + 3t = 7 + -1t

Solving
15 + 3t = 7 + -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.
15 + 3t + t = 7 + -1t + t

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

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

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

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

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

Divide each side by '4'.
t = -2

Simplifying
t = -2

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