12-19=5y+9-4y

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Solution for 12-19=5y+9-4y equation:


Simplifying
12 + -19 = 5y + 9 + -4y

Combine like terms: 12 + -19 = -7
-7 = 5y + 9 + -4y

Reorder the terms:
-7 = 9 + 5y + -4y

Combine like terms: 5y + -4y = 1y
-7 = 9 + 1y

Solving
-7 = 9 + 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.
-7 + -1y = 9 + 1y + -1y

Combine like terms: 1y + -1y = 0
-7 + -1y = 9 + 0
-7 + -1y = 9

Add '7' to each side of the equation.
-7 + 7 + -1y = 9 + 7

Combine like terms: -7 + 7 = 0
0 + -1y = 9 + 7
-1y = 9 + 7

Combine like terms: 9 + 7 = 16
-1y = 16

Divide each side by '-1'.
y = -16

Simplifying
y = -16

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