64=68-a

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Solution for 64=68-a equation:


Simplifying
64 = 68 + -1a

Solving
64 = 68 + -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.
64 + a = 68 + -1a + a

Combine like terms: -1a + a = 0
64 + a = 68 + 0
64 + a = 68

Add '-64' to each side of the equation.
64 + -64 + a = 68 + -64

Combine like terms: 64 + -64 = 0
0 + a = 68 + -64
a = 68 + -64

Combine like terms: 68 + -64 = 4
a = 4

Simplifying
a = 4

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