21y+12=y

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Solution for 21y+12=y equation:


Simplifying
21y + 12 = y

Reorder the terms:
12 + 21y = y

Solving
12 + 21y = y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
12 + 21y + -1y = y + -1y

Combine like terms: 21y + -1y = 20y
12 + 20y = y + -1y

Combine like terms: y + -1y = 0
12 + 20y = 0

Add '-12' to each side of the equation.
12 + -12 + 20y = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 20y = 0 + -12
20y = 0 + -12

Combine like terms: 0 + -12 = -12
20y = -12

Divide each side by '20'.
y = -0.6

Simplifying
y = -0.6

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