71-3=9+a

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Solution for 71-3=9+a equation:


Simplifying
71 + -3 = 9 + a

Combine like terms: 71 + -3 = 68
68 = 9 + a

Solving
68 = 9 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
68 + -1a = 9 + a + -1a

Combine like terms: a + -1a = 0
68 + -1a = 9 + 0
68 + -1a = 9

Add '-68' to each side of the equation.
68 + -68 + -1a = 9 + -68

Combine like terms: 68 + -68 = 0
0 + -1a = 9 + -68
-1a = 9 + -68

Combine like terms: 9 + -68 = -59
-1a = -59

Divide each side by '-1'.
a = 59

Simplifying
a = 59

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