405+y=540

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Solution for 405+y=540 equation: 


Simplifying
405 + y = 540

Solving
405 + y = 540

Solving for variable 'y'.

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

Add '-405' to each side of the equation.
405 + -405 + y = 540 + -405

Combine like terms: 405 + -405 = 0
0 + y = 540 + -405
y = 540 + -405

Combine like terms: 540 + -405 = 135
y = 135

Simplifying
y = 135

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