20=7t-12t

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Solution for 20=7t-12t equation:


Simplifying
20 = 7t + -12t

Combine like terms: 7t + -12t = -5t
20 = -5t

Solving
20 = -5t

Solving for variable 't'.

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

Add '5t' to each side of the equation.
20 + 5t = -5t + 5t

Combine like terms: -5t + 5t = 0
20 + 5t = 0

Add '-20' to each side of the equation.
20 + -20 + 5t = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 5t = 0 + -20
5t = 0 + -20

Combine like terms: 0 + -20 = -20
5t = -20

Divide each side by '5'.
t = -4

Simplifying
t = -4

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