-3(4t+2)=21

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Solution for -3(4t+2)=21 equation:


Simplifying
-3(4t + 2) = 21

Reorder the terms:
-3(2 + 4t) = 21
(2 * -3 + 4t * -3) = 21
(-6 + -12t) = 21

Solving
-6 + -12t = 21

Solving for variable 't'.

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

Add '6' to each side of the equation.
-6 + 6 + -12t = 21 + 6

Combine like terms: -6 + 6 = 0
0 + -12t = 21 + 6
-12t = 21 + 6

Combine like terms: 21 + 6 = 27
-12t = 27

Divide each side by '-12'.
t = -2.25

Simplifying
t = -2.25

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