(Y-3)+y=90

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Solution for (Y-3)+y=90 equation:


Simplifying
(Y + -3) + y = 90

Reorder the terms:
(-3 + Y) + y = 90

Remove parenthesis around (-3 + Y)
-3 + Y + y = 90

Solving
-3 + Y + y = 90

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 + Y + 3 + y = 90 + 3

Reorder the terms:
-3 + 3 + Y + y = 90 + 3

Combine like terms: -3 + 3 = 0
0 + Y + y = 90 + 3
Y + y = 90 + 3

Combine like terms: 90 + 3 = 93
Y + y = 93

Add '-1y' to each side of the equation.
Y + y + -1y = 93 + -1y

Combine like terms: y + -1y = 0
Y + 0 = 93 + -1y
Y = 93 + -1y

Simplifying
Y = 93 + -1y

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