8a-28+3a=9a

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Solution for 8a-28+3a=9a equation:


Simplifying
8a + -28 + 3a = 9a

Reorder the terms:
-28 + 8a + 3a = 9a

Combine like terms: 8a + 3a = 11a
-28 + 11a = 9a

Solving
-28 + 11a = 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-28 + 11a + -9a = 9a + -9a

Combine like terms: 11a + -9a = 2a
-28 + 2a = 9a + -9a

Combine like terms: 9a + -9a = 0
-28 + 2a = 0

Add '28' to each side of the equation.
-28 + 28 + 2a = 0 + 28

Combine like terms: -28 + 28 = 0
0 + 2a = 0 + 28
2a = 0 + 28

Combine like terms: 0 + 28 = 28
2a = 28

Divide each side by '2'.
a = 14

Simplifying
a = 14

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