12-3(2t+1)=7t-3(7+t)

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Solution for 12-3(2t+1)=7t-3(7+t) equation:


Simplifying
12 + -3(2t + 1) = 7t + -3(7 + t)

Reorder the terms:
12 + -3(1 + 2t) = 7t + -3(7 + t)
12 + (1 * -3 + 2t * -3) = 7t + -3(7 + t)
12 + (-3 + -6t) = 7t + -3(7 + t)

Combine like terms: 12 + -3 = 9
9 + -6t = 7t + -3(7 + t)
9 + -6t = 7t + (7 * -3 + t * -3)
9 + -6t = 7t + (-21 + -3t)

Reorder the terms:
9 + -6t = -21 + 7t + -3t

Combine like terms: 7t + -3t = 4t
9 + -6t = -21 + 4t

Solving
9 + -6t = -21 + 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.
9 + -6t + -4t = -21 + 4t + -4t

Combine like terms: -6t + -4t = -10t
9 + -10t = -21 + 4t + -4t

Combine like terms: 4t + -4t = 0
9 + -10t = -21 + 0
9 + -10t = -21

Add '-9' to each side of the equation.
9 + -9 + -10t = -21 + -9

Combine like terms: 9 + -9 = 0
0 + -10t = -21 + -9
-10t = -21 + -9

Combine like terms: -21 + -9 = -30
-10t = -30

Divide each side by '-10'.
t = 3

Simplifying
t = 3

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