-4a+8+9a=8a-5a

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Solution for -4a+8+9a=8a-5a equation:


Simplifying
-4a + 8 + 9a = 8a + -5a

Reorder the terms:
8 + -4a + 9a = 8a + -5a

Combine like terms: -4a + 9a = 5a
8 + 5a = 8a + -5a

Combine like terms: 8a + -5a = 3a
8 + 5a = 3a

Solving
8 + 5a = 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.
8 + 5a + -3a = 3a + -3a

Combine like terms: 5a + -3a = 2a
8 + 2a = 3a + -3a

Combine like terms: 3a + -3a = 0
8 + 2a = 0

Add '-8' to each side of the equation.
8 + -8 + 2a = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 2a = 0 + -8
2a = 0 + -8

Combine like terms: 0 + -8 = -8
2a = -8

Divide each side by '2'.
a = -4

Simplifying
a = -4

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