y+1=4y-20

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Solution for y+1=4y-20 equation:


Simplifying
y + 1 = 4y + -20

Reorder the terms:
1 + y = 4y + -20

Reorder the terms:
1 + y = -20 + 4y

Solving
1 + y = -20 + 4y

Solving for variable 'y'.

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

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

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

Combine like terms: 4y + -4y = 0
1 + -3y = -20 + 0
1 + -3y = -20

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

Combine like terms: 1 + -1 = 0
0 + -3y = -20 + -1
-3y = -20 + -1

Combine like terms: -20 + -1 = -21
-3y = -21

Divide each side by '-3'.
y = 7

Simplifying
y = 7

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