-28=18-3y-7

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Solution for -28=18-3y-7 equation:


Simplifying
-28 = 18 + -3y + -7

Reorder the terms:
-28 = 18 + -7 + -3y

Combine like terms: 18 + -7 = 11
-28 = 11 + -3y

Solving
-28 = 11 + -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
-28 + 3y = 11 + -3y + 3y

Combine like terms: -3y + 3y = 0
-28 + 3y = 11 + 0
-28 + 3y = 11

Add '28' to each side of the equation.
-28 + 28 + 3y = 11 + 28

Combine like terms: -28 + 28 = 0
0 + 3y = 11 + 28
3y = 11 + 28

Combine like terms: 11 + 28 = 39
3y = 39

Divide each side by '3'.
y = 13

Simplifying
y = 13

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