-5a+8+2a=4a-9a

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Solution for -5a+8+2a=4a-9a equation:


Simplifying
-5a + 8 + 2a = 4a + -9a

Reorder the terms:
8 + -5a + 2a = 4a + -9a

Combine like terms: -5a + 2a = -3a
8 + -3a = 4a + -9a

Combine like terms: 4a + -9a = -5a
8 + -3a = -5a

Solving
8 + -3a = -5a

Solving for variable 'a'.

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

Add '5a' to each side of the equation.
8 + -3a + 5a = -5a + 5a

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

Combine like terms: -5a + 5a = 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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