y+21=2y+2

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


Simplifying
y + 21 = 2y + 2

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

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

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

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

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

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

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

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

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

Simplifying
y = 19

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