8a-15-6=85-3a

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Solution for 8a-15-6=85-3a equation:


Simplifying
8a + -15 + -6 = 85 + -3a

Reorder the terms:
-15 + -6 + 8a = 85 + -3a

Combine like terms: -15 + -6 = -21
-21 + 8a = 85 + -3a

Solving
-21 + 8a = 85 + -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
-21 + 8a + 3a = 85 + -3a + 3a

Combine like terms: 8a + 3a = 11a
-21 + 11a = 85 + -3a + 3a

Combine like terms: -3a + 3a = 0
-21 + 11a = 85 + 0
-21 + 11a = 85

Add '21' to each side of the equation.
-21 + 21 + 11a = 85 + 21

Combine like terms: -21 + 21 = 0
0 + 11a = 85 + 21
11a = 85 + 21

Combine like terms: 85 + 21 = 106
11a = 106

Divide each side by '11'.
a = 9.636363636

Simplifying
a = 9.636363636

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