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

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


Simplifying
9 + 3 + 2a = -1 + 3a + 4

Combine like terms: 9 + 3 = 12
12 + 2a = -1 + 3a + 4

Reorder the terms:
12 + 2a = -1 + 4 + 3a

Combine like terms: -1 + 4 = 3
12 + 2a = 3 + 3a

Solving
12 + 2a = 3 + 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.
12 + 2a + -3a = 3 + 3a + -3a

Combine like terms: 2a + -3a = -1a
12 + -1a = 3 + 3a + -3a

Combine like terms: 3a + -3a = 0
12 + -1a = 3 + 0
12 + -1a = 3

Add '-12' to each side of the equation.
12 + -12 + -1a = 3 + -12

Combine like terms: 12 + -12 = 0
0 + -1a = 3 + -12
-1a = 3 + -12

Combine like terms: 3 + -12 = -9
-1a = -9

Divide each side by '-1'.
a = 9

Simplifying
a = 9

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