2y-9+2y+1=y+4

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Solution for 2y-9+2y+1=y+4 equation:


Simplifying
2y + -9 + 2y + 1 = y + 4

Reorder the terms:
-9 + 1 + 2y + 2y = y + 4

Combine like terms: -9 + 1 = -8
-8 + 2y + 2y = y + 4

Combine like terms: 2y + 2y = 4y
-8 + 4y = y + 4

Reorder the terms:
-8 + 4y = 4 + y

Solving
-8 + 4y = 4 + y

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.
-8 + 4y + -1y = 4 + y + -1y

Combine like terms: 4y + -1y = 3y
-8 + 3y = 4 + y + -1y

Combine like terms: y + -1y = 0
-8 + 3y = 4 + 0
-8 + 3y = 4

Add '8' to each side of the equation.
-8 + 8 + 3y = 4 + 8

Combine like terms: -8 + 8 = 0
0 + 3y = 4 + 8
3y = 4 + 8

Combine like terms: 4 + 8 = 12
3y = 12

Divide each side by '3'.
y = 4

Simplifying
y = 4

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