2y+9=8t*21

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Solution for 2y+9=8t*21 equation:


Simplifying
2y + 9 = 8t * 21

Reorder the terms:
9 + 2y = 8t * 21

Reorder the terms for easier multiplication:
9 + 2y = 8 * 21t

Multiply 8 * 21
9 + 2y = 168t

Solving
9 + 2y = 168t

Solving for variable 'y'.

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

Add '-9' to each side of the equation.
9 + -9 + 2y = -9 + 168t

Combine like terms: 9 + -9 = 0
0 + 2y = -9 + 168t
2y = -9 + 168t

Divide each side by '2'.
y = -4.5 + 84t

Simplifying
y = -4.5 + 84t

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