-3a+6+8a=9a-7a

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Solution for -3a+6+8a=9a-7a equation:


Simplifying
-3a + 6 + 8a = 9a + -7a

Reorder the terms:
6 + -3a + 8a = 9a + -7a

Combine like terms: -3a + 8a = 5a
6 + 5a = 9a + -7a

Combine like terms: 9a + -7a = 2a
6 + 5a = 2a

Solving
6 + 5a = 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
6 + 5a + -2a = 2a + -2a

Combine like terms: 5a + -2a = 3a
6 + 3a = 2a + -2a

Combine like terms: 2a + -2a = 0
6 + 3a = 0

Add '-6' to each side of the equation.
6 + -6 + 3a = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 3a = 0 + -6
3a = 0 + -6

Combine like terms: 0 + -6 = -6
3a = -6

Divide each side by '3'.
a = -2

Simplifying
a = -2

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