73=3(6a+6)-7a

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Solution for 73=3(6a+6)-7a equation:


Simplifying
73 = 3(6a + 6) + -7a

Reorder the terms:
73 = 3(6 + 6a) + -7a
73 = (6 * 3 + 6a * 3) + -7a
73 = (18 + 18a) + -7a

Combine like terms: 18a + -7a = 11a
73 = 18 + 11a

Solving
73 = 18 + 11a

Solving for variable 'a'.

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

Add '-11a' to each side of the equation.
73 + -11a = 18 + 11a + -11a

Combine like terms: 11a + -11a = 0
73 + -11a = 18 + 0
73 + -11a = 18

Add '-73' to each side of the equation.
73 + -73 + -11a = 18 + -73

Combine like terms: 73 + -73 = 0
0 + -11a = 18 + -73
-11a = 18 + -73

Combine like terms: 18 + -73 = -55
-11a = -55

Divide each side by '-11'.
a = 5

Simplifying
a = 5

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