-3y-9=1y+3

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Solution for -3y-9=1y+3 equation:


Simplifying
-3y + -9 = 1y + 3

Reorder the terms:
-9 + -3y = 1y + 3

Reorder the terms:
-9 + -3y = 3 + 1y

Solving
-9 + -3y = 3 + 1y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-9 + -3y + -1y = 3 + 1y + -1y

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

Combine like terms: 1y + -1y = 0
-9 + -4y = 3 + 0
-9 + -4y = 3

Add '9' to each side of the equation.
-9 + 9 + -4y = 3 + 9

Combine like terms: -9 + 9 = 0
0 + -4y = 3 + 9
-4y = 3 + 9

Combine like terms: 3 + 9 = 12
-4y = 12

Divide each side by '-4'.
y = -3

Simplifying
y = -3

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