13(t-6)+8=7(3t+3)-12

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Solution for 13(t-6)+8=7(3t+3)-12 equation:


Simplifying
13(t + -6) + 8 = 7(3t + 3) + -12

Reorder the terms:
13(-6 + t) + 8 = 7(3t + 3) + -12
(-6 * 13 + t * 13) + 8 = 7(3t + 3) + -12
(-78 + 13t) + 8 = 7(3t + 3) + -12

Reorder the terms:
-78 + 8 + 13t = 7(3t + 3) + -12

Combine like terms: -78 + 8 = -70
-70 + 13t = 7(3t + 3) + -12

Reorder the terms:
-70 + 13t = 7(3 + 3t) + -12
-70 + 13t = (3 * 7 + 3t * 7) + -12
-70 + 13t = (21 + 21t) + -12

Reorder the terms:
-70 + 13t = 21 + -12 + 21t

Combine like terms: 21 + -12 = 9
-70 + 13t = 9 + 21t

Solving
-70 + 13t = 9 + 21t

Solving for variable 't'.

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

Add '-21t' to each side of the equation.
-70 + 13t + -21t = 9 + 21t + -21t

Combine like terms: 13t + -21t = -8t
-70 + -8t = 9 + 21t + -21t

Combine like terms: 21t + -21t = 0
-70 + -8t = 9 + 0
-70 + -8t = 9

Add '70' to each side of the equation.
-70 + 70 + -8t = 9 + 70

Combine like terms: -70 + 70 = 0
0 + -8t = 9 + 70
-8t = 9 + 70

Combine like terms: 9 + 70 = 79
-8t = 79

Divide each side by '-8'.
t = -9.875

Simplifying
t = -9.875

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