-3t+21=3(7+t)

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Solution for -3t+21=3(7+t) equation:


Simplifying
-3t + 21 = 3(7 + t)

Reorder the terms:
21 + -3t = 3(7 + t)
21 + -3t = (7 * 3 + t * 3)
21 + -3t = (21 + 3t)

Add '-21' to each side of the equation.
21 + -21 + -3t = 21 + -21 + 3t

Combine like terms: 21 + -21 = 0
0 + -3t = 21 + -21 + 3t
-3t = 21 + -21 + 3t

Combine like terms: 21 + -21 = 0
-3t = 0 + 3t
-3t = 3t

Solving
-3t = 3t

Solving for variable 't'.

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

Add '-3t' to each side of the equation.
-3t + -3t = 3t + -3t

Combine like terms: -3t + -3t = -6t
-6t = 3t + -3t

Combine like terms: 3t + -3t = 0
-6t = 0

Divide each side by '-6'.
t = 0

Simplifying
t = 0

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