2a+4+2a+9=0

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Solution for 2a+4+2a+9=0 equation:


Simplifying
2a + 4 + 2a + 9 = 0

Reorder the terms:
4 + 9 + 2a + 2a = 0

Combine like terms: 4 + 9 = 13
13 + 2a + 2a = 0

Combine like terms: 2a + 2a = 4a
13 + 4a = 0

Solving
13 + 4a = 0

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + 4a = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 4a = 0 + -13
4a = 0 + -13

Combine like terms: 0 + -13 = -13
4a = -13

Divide each side by '4'.
a = -3.25

Simplifying
a = -3.25

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