Y+(x+21)=180

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Solution for Y+(x+21)=180 equation: 


Simplifying
Y + (x + 21) = 180

Reorder the terms:
Y + (21 + x) = 180

Remove parenthesis around (21 + x)
Y + 21 + x = 180

Reorder the terms:
21 + Y + x = 180

Solving
21 + Y + x = 180

Solving for variable 'Y'.

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

Add '-21' to each side of the equation.
21 + Y + -21 + x = 180 + -21

Reorder the terms:
21 + -21 + Y + x = 180 + -21

Combine like terms: 21 + -21 = 0
0 + Y + x = 180 + -21
Y + x = 180 + -21

Combine like terms: 180 + -21 = 159
Y + x = 159

Add '-1x' to each side of the equation.
Y + x + -1x = 159 + -1x

Combine like terms: x + -1x = 0
Y + 0 = 159 + -1x
Y = 159 + -1x

Simplifying
Y = 159 + -1x

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