4y+15=-5y+9

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Solution for 4y+15=-5y+9 equation:


Simplifying
4y + 15 = -5y + 9

Reorder the terms:
15 + 4y = -5y + 9

Reorder the terms:
15 + 4y = 9 + -5y

Solving
15 + 4y = 9 + -5y

Solving for variable 'y'.

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

Add '5y' to each side of the equation.
15 + 4y + 5y = 9 + -5y + 5y

Combine like terms: 4y + 5y = 9y
15 + 9y = 9 + -5y + 5y

Combine like terms: -5y + 5y = 0
15 + 9y = 9 + 0
15 + 9y = 9

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

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

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

Divide each side by '9'.
y = -0.6666666667

Simplifying
y = -0.6666666667

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