Y-30+2y=90

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Solution for Y-30+2y=90 equation: 


Simplifying
Y + -30 + 2y = 90

Reorder the terms:
-30 + Y + 2y = 90

Solving
-30 + Y + 2y = 90

Solving for variable 'Y'.

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

Add '30' to each side of the equation.
-30 + Y + 30 + 2y = 90 + 30

Reorder the terms:
-30 + 30 + Y + 2y = 90 + 30

Combine like terms: -30 + 30 = 0
0 + Y + 2y = 90 + 30
Y + 2y = 90 + 30

Combine like terms: 90 + 30 = 120
Y + 2y = 120

Add '-2y' to each side of the equation.
Y + 2y + -2y = 120 + -2y

Combine like terms: 2y + -2y = 0
Y + 0 = 120 + -2y
Y = 120 + -2y

Simplifying
Y = 120 + -2y

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