3y-1=-y+20

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Solution for 3y-1=-y+20 equation:


Simplifying
3y + -1 = -1y + 20

Reorder the terms:
-1 + 3y = -1y + 20

Reorder the terms:
-1 + 3y = 20 + -1y

Solving
-1 + 3y = 20 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
-1 + 3y + y = 20 + -1y + y

Combine like terms: 3y + y = 4y
-1 + 4y = 20 + -1y + y

Combine like terms: -1y + y = 0
-1 + 4y = 20 + 0
-1 + 4y = 20

Add '1' to each side of the equation.
-1 + 1 + 4y = 20 + 1

Combine like terms: -1 + 1 = 0
0 + 4y = 20 + 1
4y = 20 + 1

Combine like terms: 20 + 1 = 21
4y = 21

Divide each side by '4'.
y = 5.25

Simplifying
y = 5.25

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