20=3t-7t

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Solution for 20=3t-7t equation:


Simplifying
20 = 3t + -7t

Combine like terms: 3t + -7t = -4t
20 = -4t

Solving
20 = -4t

Solving for variable 't'.

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

Add '4t' to each side of the equation.
20 + 4t = -4t + 4t

Combine like terms: -4t + 4t = 0
20 + 4t = 0

Add '-20' to each side of the equation.
20 + -20 + 4t = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 4t = 0 + -20
4t = 0 + -20

Combine like terms: 0 + -20 = -20
4t = -20

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

Simplifying
t = -5

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