2y+21=3y+1

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Solution for 2y+21=3y+1 equation:


Simplifying
2y + 21 = 3y + 1

Reorder the terms:
21 + 2y = 3y + 1

Reorder the terms:
21 + 2y = 1 + 3y

Solving
21 + 2y = 1 + 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.
21 + 2y + -3y = 1 + 3y + -3y

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

Combine like terms: 3y + -3y = 0
21 + -1y = 1 + 0
21 + -1y = 1

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

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

Combine like terms: 1 + -21 = -20
-1y = -20

Divide each side by '-1'.
y = 20

Simplifying
y = 20

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