7-t=t-12

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Solution for 7-t=t-12 equation:


Simplifying
7 + -1t = t + -12

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

Solving
7 + -1t = -12 + t

Solving for variable 't'.

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

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

Combine like terms: -1t + -1t = -2t
7 + -2t = -12 + t + -1t

Combine like terms: t + -1t = 0
7 + -2t = -12 + 0
7 + -2t = -12

Add '-7' to each side of the equation.
7 + -7 + -2t = -12 + -7

Combine like terms: 7 + -7 = 0
0 + -2t = -12 + -7
-2t = -12 + -7

Combine like terms: -12 + -7 = -19
-2t = -19

Divide each side by '-2'.
t = 9.5

Simplifying
t = 9.5

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