3t-12(3+t)-4t=-(5-t)-(7-t)

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Solution for 3t-12(3+t)-4t=-(5-t)-(7-t) equation:


Simplifying
3t + -12(3 + t) + -4t = -1(5 + -1t) + -1(7 + -1t)
3t + (3 * -12 + t * -12) + -4t = -1(5 + -1t) + -1(7 + -1t)
3t + (-36 + -12t) + -4t = -1(5 + -1t) + -1(7 + -1t)

Reorder the terms:
-36 + 3t + -12t + -4t = -1(5 + -1t) + -1(7 + -1t)

Combine like terms: 3t + -12t = -9t
-36 + -9t + -4t = -1(5 + -1t) + -1(7 + -1t)

Combine like terms: -9t + -4t = -13t
-36 + -13t = -1(5 + -1t) + -1(7 + -1t)
-36 + -13t = (5 * -1 + -1t * -1) + -1(7 + -1t)
-36 + -13t = (-5 + 1t) + -1(7 + -1t)
-36 + -13t = -5 + 1t + (7 * -1 + -1t * -1)
-36 + -13t = -5 + 1t + (-7 + 1t)

Reorder the terms:
-36 + -13t = -5 + -7 + 1t + 1t

Combine like terms: -5 + -7 = -12
-36 + -13t = -12 + 1t + 1t

Combine like terms: 1t + 1t = 2t
-36 + -13t = -12 + 2t

Solving
-36 + -13t = -12 + 2t

Solving for variable 't'.

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

Add '-2t' to each side of the equation.
-36 + -13t + -2t = -12 + 2t + -2t

Combine like terms: -13t + -2t = -15t
-36 + -15t = -12 + 2t + -2t

Combine like terms: 2t + -2t = 0
-36 + -15t = -12 + 0
-36 + -15t = -12

Add '36' to each side of the equation.
-36 + 36 + -15t = -12 + 36

Combine like terms: -36 + 36 = 0
0 + -15t = -12 + 36
-15t = -12 + 36

Combine like terms: -12 + 36 = 24
-15t = 24

Divide each side by '-15'.
t = -1.6

Simplifying
t = -1.6

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