3a+a+2+2a-1+3a+6=

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Solution for 3a+a+2+2a-1+3a+6= equation:


Simplifying
3a + a + 2 + 2a + -1 + 3a + 6 = 0

Reorder the terms:
2 + -1 + 6 + 3a + a + 2a + 3a = 0

Combine like terms: 2 + -1 = 1
1 + 6 + 3a + a + 2a + 3a = 0

Combine like terms: 1 + 6 = 7
7 + 3a + a + 2a + 3a = 0

Combine like terms: 3a + a = 4a
7 + 4a + 2a + 3a = 0

Combine like terms: 4a + 2a = 6a
7 + 6a + 3a = 0

Combine like terms: 6a + 3a = 9a
7 + 9a = 0

Solving
7 + 9a = 0

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + 9a = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 9a = 0 + -7
9a = 0 + -7

Combine like terms: 0 + -7 = -7
9a = -7

Divide each side by '9'.
a = -0.7777777778

Simplifying
a = -0.7777777778

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