-t-12=9+7t

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Solution for -t-12=9+7t equation:


Simplifying
-1t + -12 = 9 + 7t

Reorder the terms:
-12 + -1t = 9 + 7t

Solving
-12 + -1t = 9 + 7t

Solving for variable 't'.

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

Add '-7t' to each side of the equation.
-12 + -1t + -7t = 9 + 7t + -7t

Combine like terms: -1t + -7t = -8t
-12 + -8t = 9 + 7t + -7t

Combine like terms: 7t + -7t = 0
-12 + -8t = 9 + 0
-12 + -8t = 9

Add '12' to each side of the equation.
-12 + 12 + -8t = 9 + 12

Combine like terms: -12 + 12 = 0
0 + -8t = 9 + 12
-8t = 9 + 12

Combine like terms: 9 + 12 = 21
-8t = 21

Divide each side by '-8'.
t = -2.625

Simplifying
t = -2.625

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