-6(y+1)=3y+21

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Solution for -6(y+1)=3y+21 equation:


Simplifying
-6(y + 1) = 3y + 21

Reorder the terms:
-6(1 + y) = 3y + 21
(1 * -6 + y * -6) = 3y + 21
(-6 + -6y) = 3y + 21

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

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

Solving for variable 'y'.

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

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

Combine like terms: -6y + -3y = -9y
-6 + -9y = 21 + 3y + -3y

Combine like terms: 3y + -3y = 0
-6 + -9y = 21 + 0
-6 + -9y = 21

Add '6' to each side of the equation.
-6 + 6 + -9y = 21 + 6

Combine like terms: -6 + 6 = 0
0 + -9y = 21 + 6
-9y = 21 + 6

Combine like terms: 21 + 6 = 27
-9y = 27

Divide each side by '-9'.
y = -3

Simplifying
y = -3

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