[7t-2]-[3+1]=-3[1-3t]

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Solution for [7t-2]-[3+1]=-3[1-3t] equation:


Simplifying
[7t + -2] + -1[3 + 1] = -3[1 + -3t]

Reorder the terms:
[-2 + 7t] + -1[3 + 1] = -3[1 + -3t]

Remove brackets around [-2 + 7t]
-2 + 7t + -1[3 + 1] = -3[1 + -3t]

Combine like terms: 3 + 1 = 4
-2 + 7t + -1[4] = -3[1 + -3t]

Multiply -1 * 4
-2 + 7t + -4 = -3[1 + -3t]

Reorder the terms:
-2 + -4 + 7t = -3[1 + -3t]

Combine like terms: -2 + -4 = -6
-6 + 7t = -3[1 + -3t]
-6 + 7t = [1 * -3 + -3t * -3]
-6 + 7t = [-3 + 9t]

Solving
-6 + 7t = -3 + 9t

Solving for variable 't'.

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

Add '-9t' to each side of the equation.
-6 + 7t + -9t = -3 + 9t + -9t

Combine like terms: 7t + -9t = -2t
-6 + -2t = -3 + 9t + -9t

Combine like terms: 9t + -9t = 0
-6 + -2t = -3 + 0
-6 + -2t = -3

Add '6' to each side of the equation.
-6 + 6 + -2t = -3 + 6

Combine like terms: -6 + 6 = 0
0 + -2t = -3 + 6
-2t = -3 + 6

Combine like terms: -3 + 6 = 3
-2t = 3

Divide each side by '-2'.
t = -1.5

Simplifying
t = -1.5

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