-y-15+9y=3y+2+4

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Solution for -y-15+9y=3y+2+4 equation:


Simplifying
-1y + -15 + 9y = 3y + 2 + 4

Reorder the terms:
-15 + -1y + 9y = 3y + 2 + 4

Combine like terms: -1y + 9y = 8y
-15 + 8y = 3y + 2 + 4

Reorder the terms:
-15 + 8y = 2 + 4 + 3y

Combine like terms: 2 + 4 = 6
-15 + 8y = 6 + 3y

Solving
-15 + 8y = 6 + 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.
-15 + 8y + -3y = 6 + 3y + -3y

Combine like terms: 8y + -3y = 5y
-15 + 5y = 6 + 3y + -3y

Combine like terms: 3y + -3y = 0
-15 + 5y = 6 + 0
-15 + 5y = 6

Add '15' to each side of the equation.
-15 + 15 + 5y = 6 + 15

Combine like terms: -15 + 15 = 0
0 + 5y = 6 + 15
5y = 6 + 15

Combine like terms: 6 + 15 = 21
5y = 21

Divide each side by '5'.
y = 4.2

Simplifying
y = 4.2

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