-3y-9=7y+11

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Solution for -3y-9=7y+11 equation:


Simplifying
-3y + -9 = 7y + 11

Reorder the terms:
-9 + -3y = 7y + 11

Reorder the terms:
-9 + -3y = 11 + 7y

Solving
-9 + -3y = 11 + 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 + -3y + -7y = 11 + 7y + -7y

Combine like terms: -3y + -7y = -10y
-9 + -10y = 11 + 7y + -7y

Combine like terms: 7y + -7y = 0
-9 + -10y = 11 + 0
-9 + -10y = 11

Add '9' to each side of the equation.
-9 + 9 + -10y = 11 + 9

Combine like terms: -9 + 9 = 0
0 + -10y = 11 + 9
-10y = 11 + 9

Combine like terms: 11 + 9 = 20
-10y = 20

Divide each side by '-10'.
y = -2

Simplifying
y = -2

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