a+57=220

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Solution for a+57=220 equation: 


Simplifying
a + 57 = 220

Reorder the terms:
57 + a = 220

Solving
57 + a = 220

Solving for variable 'a'.

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

Add '-57' to each side of the equation.
57 + -57 + a = 220 + -57

Combine like terms: 57 + -57 = 0
0 + a = 220 + -57
a = 220 + -57

Combine like terms: 220 + -57 = 163
a = 163

Simplifying
a = 163

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