6y+4=y-21

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Solution for 6y+4=y-21 equation:


Simplifying
6y + 4 = y + -21

Reorder the terms:
4 + 6y = y + -21

Reorder the terms:
4 + 6y = -21 + y

Solving
4 + 6y = -21 + 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.
4 + 6y + -1y = -21 + y + -1y

Combine like terms: 6y + -1y = 5y
4 + 5y = -21 + y + -1y

Combine like terms: y + -1y = 0
4 + 5y = -21 + 0
4 + 5y = -21

Add '-4' to each side of the equation.
4 + -4 + 5y = -21 + -4

Combine like terms: 4 + -4 = 0
0 + 5y = -21 + -4
5y = -21 + -4

Combine like terms: -21 + -4 = -25
5y = -25

Divide each side by '5'.
y = -5

Simplifying
y = -5

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