30=20-2t

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Solution for 30=20-2t equation:


Simplifying
30 = 20 + -2t

Solving
30 = 20 + -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.
30 + 2t = 20 + -2t + 2t

Combine like terms: -2t + 2t = 0
30 + 2t = 20 + 0
30 + 2t = 20

Add '-30' to each side of the equation.
30 + -30 + 2t = 20 + -30

Combine like terms: 30 + -30 = 0
0 + 2t = 20 + -30
2t = 20 + -30

Combine like terms: 20 + -30 = -10
2t = -10

Divide each side by '2'.
t = -5

Simplifying
t = -5

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