2y+2=3y+21

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


Simplifying
2y + 2 = 3y + 21

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

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

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

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

Combine like terms: 3y + -3y = 0
2 + -1y = 21 + 0
2 + -1y = 21

Add '-2' to each side of the equation.
2 + -2 + -1y = 21 + -2

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

Combine like terms: 21 + -2 = 19
-1y = 19

Divide each side by '-1'.
y = -19

Simplifying
y = -19

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