-5y-9=7y+15

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Solution for -5y-9=7y+15 equation:


Simplifying
-5y + -9 = 7y + 15

Reorder the terms:
-9 + -5y = 7y + 15

Reorder the terms:
-9 + -5y = 15 + 7y

Solving
-9 + -5y = 15 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-9 + -5y + -7y = 15 + 7y + -7y

Combine like terms: -5y + -7y = -12y
-9 + -12y = 15 + 7y + -7y

Combine like terms: 7y + -7y = 0
-9 + -12y = 15 + 0
-9 + -12y = 15

Add '9' to each side of the equation.
-9 + 9 + -12y = 15 + 9

Combine like terms: -9 + 9 = 0
0 + -12y = 15 + 9
-12y = 15 + 9

Combine like terms: 15 + 9 = 24
-12y = 24

Divide each side by '-12'.
y = -2

Simplifying
y = -2

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