123=473-a

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Solution for 123=473-a equation:


Simplifying
123 = 473 + -1a

Solving
123 = 473 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
123 + a = 473 + -1a + a

Combine like terms: -1a + a = 0
123 + a = 473 + 0
123 + a = 473

Add '-123' to each side of the equation.
123 + -123 + a = 473 + -123

Combine like terms: 123 + -123 = 0
0 + a = 473 + -123
a = 473 + -123

Combine like terms: 473 + -123 = 350
a = 350

Simplifying
a = 350

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