9y+21=3

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Solution for 9y+21=3 equation:


Simplifying
9y + 21 = 3

Reorder the terms:
21 + 9y = 3

Solving
21 + 9y = 3

Solving for variable 'y'.

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

Add '-21' to each side of the equation.
21 + -21 + 9y = 3 + -21

Combine like terms: 21 + -21 = 0
0 + 9y = 3 + -21
9y = 3 + -21

Combine like terms: 3 + -21 = -18
9y = -18

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

Simplifying
y = -2

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