9t-21=3(x-7)6+t

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Solution for 9t-21=3(x-7)6+t equation:


Simplifying
9t + -21 = 3(x + -7) * 6 + t

Reorder the terms:
-21 + 9t = 3(x + -7) * 6 + t

Reorder the terms:
-21 + 9t = 3(-7 + x) * 6 + t

Reorder the terms for easier multiplication:
-21 + 9t = 3 * 6(-7 + x) + t

Multiply 3 * 6
-21 + 9t = 18(-7 + x) + t
-21 + 9t = (-7 * 18 + x * 18) + t
-21 + 9t = (-126 + 18x) + t

Reorder the terms:
-21 + 9t = -126 + t + 18x

Solving
-21 + 9t = -126 + t + 18x

Solving for variable 't'.

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

Add '-1t' to each side of the equation.
-21 + 9t + -1t = -126 + t + -1t + 18x

Combine like terms: 9t + -1t = 8t
-21 + 8t = -126 + t + -1t + 18x

Combine like terms: t + -1t = 0
-21 + 8t = -126 + 0 + 18x
-21 + 8t = -126 + 18x

Add '21' to each side of the equation.
-21 + 21 + 8t = -126 + 21 + 18x

Combine like terms: -21 + 21 = 0
0 + 8t = -126 + 21 + 18x
8t = -126 + 21 + 18x

Combine like terms: -126 + 21 = -105
8t = -105 + 18x

Divide each side by '8'.
t = -13.125 + 2.25x

Simplifying
t = -13.125 + 2.25x

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