x+15=420

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Solution for x+15=420 equation: 


Simplifying
x + 15 = 420

Reorder the terms:
15 + x = 420

Solving
15 + x = 420

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + x = 420 + -15

Combine like terms: 15 + -15 = 0
0 + x = 420 + -15
x = 420 + -15

Combine like terms: 420 + -15 = 405
x = 405

Simplifying
x = 405

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