21y-1+135-38=180

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Solution for 21y-1+135-38=180 equation: 


Simplifying
21y + -1 + 135 + -38 = 180

Reorder the terms:
-1 + 135 + -38 + 21y = 180

Combine like terms: -1 + 135 = 134
134 + -38 + 21y = 180

Combine like terms: 134 + -38 = 96
96 + 21y = 180

Solving
96 + 21y = 180

Solving for variable 'y'.

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

Add '-96' to each side of the equation.
96 + -96 + 21y = 180 + -96

Combine like terms: 96 + -96 = 0
0 + 21y = 180 + -96
21y = 180 + -96

Combine like terms: 180 + -96 = 84
21y = 84

Divide each side by '21'.
y = 4

Simplifying
y = 4

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