Y+3=7y-21

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Solution for Y+3=7y-21 equation: 


Simplifying
Y + 3 = 7y + -21

Reorder the terms:
3 + Y = 7y + -21

Reorder the terms:
3 + Y = -21 + 7y

Solving
3 + Y = -21 + 7y

Solving for variable 'Y'.

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

Add '-3' to each side of the equation.
3 + -3 + Y = -21 + -3 + 7y

Combine like terms: 3 + -3 = 0
0 + Y = -21 + -3 + 7y
Y = -21 + -3 + 7y

Combine like terms: -21 + -3 = -24
Y = -24 + 7y

Simplifying
Y = -24 + 7y

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