28+4y-7=15y-11-3y

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Solution for 28+4y-7=15y-11-3y equation:


Simplifying
28 + 4y + -7 = 15y + -11 + -3y

Reorder the terms:
28 + -7 + 4y = 15y + -11 + -3y

Combine like terms: 28 + -7 = 21
21 + 4y = 15y + -11 + -3y

Reorder the terms:
21 + 4y = -11 + 15y + -3y

Combine like terms: 15y + -3y = 12y
21 + 4y = -11 + 12y

Solving
21 + 4y = -11 + 12y

Solving for variable 'y'.

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

Add '-12y' to each side of the equation.
21 + 4y + -12y = -11 + 12y + -12y

Combine like terms: 4y + -12y = -8y
21 + -8y = -11 + 12y + -12y

Combine like terms: 12y + -12y = 0
21 + -8y = -11 + 0
21 + -8y = -11

Add '-21' to each side of the equation.
21 + -21 + -8y = -11 + -21

Combine like terms: 21 + -21 = 0
0 + -8y = -11 + -21
-8y = -11 + -21

Combine like terms: -11 + -21 = -32
-8y = -32

Divide each side by '-8'.
y = 4

Simplifying
y = 4

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