4y+15=-2y-9

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


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

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

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

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

Solving for variable 'y'.

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

Add '2y' to each side of the equation.
15 + 4y + 2y = -9 + -2y + 2y

Combine like terms: 4y + 2y = 6y
15 + 6y = -9 + -2y + 2y

Combine like terms: -2y + 2y = 0
15 + 6y = -9 + 0
15 + 6y = -9

Add '-15' to each side of the equation.
15 + -15 + 6y = -9 + -15

Combine like terms: 15 + -15 = 0
0 + 6y = -9 + -15
6y = -9 + -15

Combine like terms: -9 + -15 = -24
6y = -24

Divide each side by '6'.
y = -4

Simplifying
y = -4

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