8y-3=6y-21

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Solution for 8y-3=6y-21 equation:


Simplifying
8y + -3 = 6y + -21

Reorder the terms:
-3 + 8y = 6y + -21

Reorder the terms:
-3 + 8y = -21 + 6y

Solving
-3 + 8y = -21 + 6y

Solving for variable 'y'.

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

Add '-6y' to each side of the equation.
-3 + 8y + -6y = -21 + 6y + -6y

Combine like terms: 8y + -6y = 2y
-3 + 2y = -21 + 6y + -6y

Combine like terms: 6y + -6y = 0
-3 + 2y = -21 + 0
-3 + 2y = -21

Add '3' to each side of the equation.
-3 + 3 + 2y = -21 + 3

Combine like terms: -3 + 3 = 0
0 + 2y = -21 + 3
2y = -21 + 3

Combine like terms: -21 + 3 = -18
2y = -18

Divide each side by '2'.
y = -9

Simplifying
y = -9

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