45=12+3(t-8)-6

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Solution for 45=12+3(t-8)-6 equation:


Simplifying
45 = 12 + 3(t + -8) + -6

Reorder the terms:
45 = 12 + 3(-8 + t) + -6
45 = 12 + (-8 * 3 + t * 3) + -6
45 = 12 + (-24 + 3t) + -6

Reorder the terms:
45 = 12 + -24 + -6 + 3t

Combine like terms: 12 + -24 = -12
45 = -12 + -6 + 3t

Combine like terms: -12 + -6 = -18
45 = -18 + 3t

Solving
45 = -18 + 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.
45 + -3t = -18 + 3t + -3t

Combine like terms: 3t + -3t = 0
45 + -3t = -18 + 0
45 + -3t = -18

Add '-45' to each side of the equation.
45 + -45 + -3t = -18 + -45

Combine like terms: 45 + -45 = 0
0 + -3t = -18 + -45
-3t = -18 + -45

Combine like terms: -18 + -45 = -63
-3t = -63

Divide each side by '-3'.
t = 21

Simplifying
t = 21

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