y+15=2y+4

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Solution for y+15=2y+4 equation:


Simplifying
y + 15 = 2y + 4

Reorder the terms:
15 + y = 2y + 4

Reorder the terms:
15 + y = 4 + 2y

Solving
15 + y = 4 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
15 + y + -2y = 4 + 2y + -2y

Combine like terms: y + -2y = -1y
15 + -1y = 4 + 2y + -2y

Combine like terms: 2y + -2y = 0
15 + -1y = 4 + 0
15 + -1y = 4

Add '-15' to each side of the equation.
15 + -15 + -1y = 4 + -15

Combine like terms: 15 + -15 = 0
0 + -1y = 4 + -15
-1y = 4 + -15

Combine like terms: 4 + -15 = -11
-1y = -11

Divide each side by '-1'.
y = 11

Simplifying
y = 11

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