3y-28=-21+2y

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Solution for 3y-28=-21+2y equation:


Simplifying
3y + -28 = -21 + 2y

Reorder the terms:
-28 + 3y = -21 + 2y

Solving
-28 + 3y = -21 + 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.
-28 + 3y + -2y = -21 + 2y + -2y

Combine like terms: 3y + -2y = 1y
-28 + 1y = -21 + 2y + -2y

Combine like terms: 2y + -2y = 0
-28 + 1y = -21 + 0
-28 + 1y = -21

Add '28' to each side of the equation.
-28 + 28 + 1y = -21 + 28

Combine like terms: -28 + 28 = 0
0 + 1y = -21 + 28
1y = -21 + 28

Combine like terms: -21 + 28 = 7
1y = 7

Divide each side by '1'.
y = 7

Simplifying
y = 7

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