Y+(7y+21)=2Y+45

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Solution for Y+(7y+21)=2Y+45 equation:


Simplifying
Y + (7y + 21) = 2Y + 45

Reorder the terms:
Y + (21 + 7y) = 2Y + 45

Remove parenthesis around (21 + 7y)
Y + 21 + 7y = 2Y + 45

Reorder the terms:
21 + Y + 7y = 2Y + 45

Reorder the terms:
21 + Y + 7y = 45 + 2Y

Solving
21 + Y + 7y = 45 + 2Y

Solving for variable 'Y'.

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

Add '-2Y' to each side of the equation.
21 + Y + -2Y + 7y = 45 + 2Y + -2Y

Combine like terms: Y + -2Y = -1Y
21 + -1Y + 7y = 45 + 2Y + -2Y

Combine like terms: 2Y + -2Y = 0
21 + -1Y + 7y = 45 + 0
21 + -1Y + 7y = 45

Add '-21' to each side of the equation.
21 + -1Y + -21 + 7y = 45 + -21

Reorder the terms:
21 + -21 + -1Y + 7y = 45 + -21

Combine like terms: 21 + -21 = 0
0 + -1Y + 7y = 45 + -21
-1Y + 7y = 45 + -21

Combine like terms: 45 + -21 = 24
-1Y + 7y = 24

Add '-7y' to each side of the equation.
-1Y + 7y + -7y = 24 + -7y

Combine like terms: 7y + -7y = 0
-1Y + 0 = 24 + -7y
-1Y = 24 + -7y

Divide each side by '-1'.
Y = -24 + 7y

Simplifying
Y = -24 + 7y

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