12=7t-3(t+2)

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Solution for 12=7t-3(t+2) equation:


Simplifying
12 = 7t + -3(t + 2)

Reorder the terms:
12 = 7t + -3(2 + t)
12 = 7t + (2 * -3 + t * -3)
12 = 7t + (-6 + -3t)

Reorder the terms:
12 = -6 + 7t + -3t

Combine like terms: 7t + -3t = 4t
12 = -6 + 4t

Solving
12 = -6 + 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.
12 + -4t = -6 + 4t + -4t

Combine like terms: 4t + -4t = 0
12 + -4t = -6 + 0
12 + -4t = -6

Add '-12' to each side of the equation.
12 + -12 + -4t = -6 + -12

Combine like terms: 12 + -12 = 0
0 + -4t = -6 + -12
-4t = -6 + -12

Combine like terms: -6 + -12 = -18
-4t = -18

Divide each side by '-4'.
t = 4.5

Simplifying
t = 4.5

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