-3a+6+9=6a-2a

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Solution for -3a+6+9=6a-2a equation:


Simplifying
-3a + 6 + 9 = 6a + -2a

Reorder the terms:
6 + 9 + -3a = 6a + -2a

Combine like terms: 6 + 9 = 15
15 + -3a = 6a + -2a

Combine like terms: 6a + -2a = 4a
15 + -3a = 4a

Solving
15 + -3a = 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
15 + -3a + -4a = 4a + -4a

Combine like terms: -3a + -4a = -7a
15 + -7a = 4a + -4a

Combine like terms: 4a + -4a = 0
15 + -7a = 0

Add '-15' to each side of the equation.
15 + -15 + -7a = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -7a = 0 + -15
-7a = 0 + -15

Combine like terms: 0 + -15 = -15
-7a = -15

Divide each side by '-7'.
a = 2.142857143

Simplifying
a = 2.142857143

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