180=21+34+y

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Solution for 180=21+34+y equation:


Simplifying
180 = 21 + 34 + y

Combine like terms: 21 + 34 = 55
180 = 55 + y

Solving
180 = 55 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
180 + -1y = 55 + y + -1y

Combine like terms: y + -1y = 0
180 + -1y = 55 + 0
180 + -1y = 55

Add '-180' to each side of the equation.
180 + -180 + -1y = 55 + -180

Combine like terms: 180 + -180 = 0
0 + -1y = 55 + -180
-1y = 55 + -180

Combine like terms: 55 + -180 = -125
-1y = -125

Divide each side by '-1'.
y = 125

Simplifying
y = 125

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