-3a+9=3a-8

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


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

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

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

Solving
9 + -3a = -8 + 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.
9 + -3a + -3a = -8 + 3a + -3a

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

Combine like terms: 3a + -3a = 0
9 + -6a = -8 + 0
9 + -6a = -8

Add '-9' to each side of the equation.
9 + -9 + -6a = -8 + -9

Combine like terms: 9 + -9 = 0
0 + -6a = -8 + -9
-6a = -8 + -9

Combine like terms: -8 + -9 = -17
-6a = -17

Divide each side by '-6'.
a = 2.833333333

Simplifying
a = 2.833333333

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