25+4y-4=12y-9-2y

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Solution for 25+4y-4=12y-9-2y equation:


Simplifying
25 + 4y + -4 = 12y + -9 + -2y

Reorder the terms:
25 + -4 + 4y = 12y + -9 + -2y

Combine like terms: 25 + -4 = 21
21 + 4y = 12y + -9 + -2y

Reorder the terms:
21 + 4y = -9 + 12y + -2y

Combine like terms: 12y + -2y = 10y
21 + 4y = -9 + 10y

Solving
21 + 4y = -9 + 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
21 + 4y + -10y = -9 + 10y + -10y

Combine like terms: 4y + -10y = -6y
21 + -6y = -9 + 10y + -10y

Combine like terms: 10y + -10y = 0
21 + -6y = -9 + 0
21 + -6y = -9

Add '-21' to each side of the equation.
21 + -21 + -6y = -9 + -21

Combine like terms: 21 + -21 = 0
0 + -6y = -9 + -21
-6y = -9 + -21

Combine like terms: -9 + -21 = -30
-6y = -30

Divide each side by '-6'.
y = 5

Simplifying
y = 5

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