3a-6+a=9a+4

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Solution for 3a-6+a=9a+4 equation:


Simplifying
3a + -6 + a = 9a + 4

Reorder the terms:
-6 + 3a + a = 9a + 4

Combine like terms: 3a + a = 4a
-6 + 4a = 9a + 4

Reorder the terms:
-6 + 4a = 4 + 9a

Solving
-6 + 4a = 4 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-6 + 4a + -9a = 4 + 9a + -9a

Combine like terms: 4a + -9a = -5a
-6 + -5a = 4 + 9a + -9a

Combine like terms: 9a + -9a = 0
-6 + -5a = 4 + 0
-6 + -5a = 4

Add '6' to each side of the equation.
-6 + 6 + -5a = 4 + 6

Combine like terms: -6 + 6 = 0
0 + -5a = 4 + 6
-5a = 4 + 6

Combine like terms: 4 + 6 = 10
-5a = 10

Divide each side by '-5'.
a = -2

Simplifying
a = -2

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