9-12=3t-4t

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Solution for 9-12=3t-4t equation:


Simplifying
9 + -12 = 3t + -4t

Combine like terms: 9 + -12 = -3
-3 = 3t + -4t

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

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

Combine like terms: -1t + t = 0
-3 + t = 0

Add '3' to each side of the equation.
-3 + 3 + t = 0 + 3

Combine like terms: -3 + 3 = 0
0 + t = 0 + 3
t = 0 + 3

Combine like terms: 0 + 3 = 3
t = 3

Simplifying
t = 3

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