3(y+10)-9=

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Solution for 3(y+10)-9= equation:


Simplifying
3(y + 10) + -9 = 0

Reorder the terms:
3(10 + y) + -9 = 0
(10 * 3 + y * 3) + -9 = 0
(30 + 3y) + -9 = 0

Reorder the terms:
30 + -9 + 3y = 0

Combine like terms: 30 + -9 = 21
21 + 3y = 0

Solving
21 + 3y = 0

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 + 3y = 0 + -21

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

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

Divide each side by '3'.
y = -7

Simplifying
y = -7

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