a+78=138

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Solution for a+78=138 equation: 


Simplifying
a + 78 = 138

Reorder the terms:
78 + a = 138

Solving
78 + a = 138

Solving for variable 'a'.

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

Add '-78' to each side of the equation.
78 + -78 + a = 138 + -78

Combine like terms: 78 + -78 = 0
0 + a = 138 + -78
a = 138 + -78

Combine like terms: 138 + -78 = 60
a = 60

Simplifying
a = 60

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