7-[-4t]=4t-14-21t

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Solution for 7-[-4t]=4t-14-21t equation:


Simplifying
7 + -1[-4t] = 4t + -14 + -21t

Remove brackets around [-4t]
7 + -1 * -4t = 4t + -14 + -21t

Multiply -1 * -4
7 + 4t = 4t + -14 + -21t

Reorder the terms:
7 + 4t = -14 + 4t + -21t

Combine like terms: 4t + -21t = -17t
7 + 4t = -14 + -17t

Solving
7 + 4t = -14 + -17t

Solving for variable 't'.

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

Add '17t' to each side of the equation.
7 + 4t + 17t = -14 + -17t + 17t

Combine like terms: 4t + 17t = 21t
7 + 21t = -14 + -17t + 17t

Combine like terms: -17t + 17t = 0
7 + 21t = -14 + 0
7 + 21t = -14

Add '-7' to each side of the equation.
7 + -7 + 21t = -14 + -7

Combine like terms: 7 + -7 = 0
0 + 21t = -14 + -7
21t = -14 + -7

Combine like terms: -14 + -7 = -21
21t = -21

Divide each side by '21'.
t = -1

Simplifying
t = -1

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