3y+9=13y+4

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Solution for 3y+9=13y+4 equation:


Simplifying
3y + 9 = 13y + 4

Reorder the terms:
9 + 3y = 13y + 4

Reorder the terms:
9 + 3y = 4 + 13y

Solving
9 + 3y = 4 + 13y

Solving for variable 'y'.

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

Add '-13y' to each side of the equation.
9 + 3y + -13y = 4 + 13y + -13y

Combine like terms: 3y + -13y = -10y
9 + -10y = 4 + 13y + -13y

Combine like terms: 13y + -13y = 0
9 + -10y = 4 + 0
9 + -10y = 4

Add '-9' to each side of the equation.
9 + -9 + -10y = 4 + -9

Combine like terms: 9 + -9 = 0
0 + -10y = 4 + -9
-10y = 4 + -9

Combine like terms: 4 + -9 = -5
-10y = -5

Divide each side by '-10'.
y = 0.5

Simplifying
y = 0.5

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