3(2a+1)-4a+9=

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Solution for 3(2a+1)-4a+9= equation:


Simplifying
3(2a + 1) + -4a + 9 = 0

Reorder the terms:
3(1 + 2a) + -4a + 9 = 0
(1 * 3 + 2a * 3) + -4a + 9 = 0
(3 + 6a) + -4a + 9 = 0

Reorder the terms:
3 + 9 + 6a + -4a = 0

Combine like terms: 3 + 9 = 12
12 + 6a + -4a = 0

Combine like terms: 6a + -4a = 2a
12 + 2a = 0

Solving
12 + 2a = 0

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + 2a = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 2a = 0 + -12
2a = 0 + -12

Combine like terms: 0 + -12 = -12
2a = -12

Divide each side by '2'.
a = -6

Simplifying
a = -6

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