2(t-3)-3(2t-7)=21-5(3t+4)

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Solution for 2(t-3)-3(2t-7)=21-5(3t+4) equation:


Simplifying
2(t + -3) + -3(2t + -7) = 21 + -5(3t + 4)

Reorder the terms:
2(-3 + t) + -3(2t + -7) = 21 + -5(3t + 4)
(-3 * 2 + t * 2) + -3(2t + -7) = 21 + -5(3t + 4)
(-6 + 2t) + -3(2t + -7) = 21 + -5(3t + 4)

Reorder the terms:
-6 + 2t + -3(-7 + 2t) = 21 + -5(3t + 4)
-6 + 2t + (-7 * -3 + 2t * -3) = 21 + -5(3t + 4)
-6 + 2t + (21 + -6t) = 21 + -5(3t + 4)

Reorder the terms:
-6 + 21 + 2t + -6t = 21 + -5(3t + 4)

Combine like terms: -6 + 21 = 15
15 + 2t + -6t = 21 + -5(3t + 4)

Combine like terms: 2t + -6t = -4t
15 + -4t = 21 + -5(3t + 4)

Reorder the terms:
15 + -4t = 21 + -5(4 + 3t)
15 + -4t = 21 + (4 * -5 + 3t * -5)
15 + -4t = 21 + (-20 + -15t)

Combine like terms: 21 + -20 = 1
15 + -4t = 1 + -15t

Solving
15 + -4t = 1 + -15t

Solving for variable 't'.

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

Add '15t' to each side of the equation.
15 + -4t + 15t = 1 + -15t + 15t

Combine like terms: -4t + 15t = 11t
15 + 11t = 1 + -15t + 15t

Combine like terms: -15t + 15t = 0
15 + 11t = 1 + 0
15 + 11t = 1

Add '-15' to each side of the equation.
15 + -15 + 11t = 1 + -15

Combine like terms: 15 + -15 = 0
0 + 11t = 1 + -15
11t = 1 + -15

Combine like terms: 1 + -15 = -14
11t = -14

Divide each side by '11'.
t = -1.272727273

Simplifying
t = -1.272727273

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