20-3t=15-5(t+3)

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Solution for 20-3t=15-5(t+3) equation:


Simplifying
20 + -3t = 15 + -5(t + 3)

Reorder the terms:
20 + -3t = 15 + -5(3 + t)
20 + -3t = 15 + (3 * -5 + t * -5)
20 + -3t = 15 + (-15 + -5t)

Combine like terms: 15 + -15 = 0
20 + -3t = 0 + -5t
20 + -3t = -5t

Solving
20 + -3t = -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 + -3t + 5t = -5t + 5t

Combine like terms: -3t + 5t = 2t
20 + 2t = -5t + 5t

Combine like terms: -5t + 5t = 0
20 + 2t = 0

Add '-20' to each side of the equation.
20 + -20 + 2t = 0 + -20

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

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

Divide each side by '2'.
t = -10

Simplifying
t = -10

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