12-7=30+2t

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Solution for 12-7=30+2t equation:


Simplifying
12 + -7 = 30 + 2t

Combine like terms: 12 + -7 = 5
5 = 30 + 2t

Solving
5 = 30 + 2t

Solving for variable 't'.

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

Add '-2t' to each side of the equation.
5 + -2t = 30 + 2t + -2t

Combine like terms: 2t + -2t = 0
5 + -2t = 30 + 0
5 + -2t = 30

Add '-5' to each side of the equation.
5 + -5 + -2t = 30 + -5

Combine like terms: 5 + -5 = 0
0 + -2t = 30 + -5
-2t = 30 + -5

Combine like terms: 30 + -5 = 25
-2t = 25

Divide each side by '-2'.
t = -12.5

Simplifying
t = -12.5

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