4a+9=-15-2a

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Solution for 4a+9=-15-2a equation:


Simplifying
4a + 9 = -15 + -2a

Reorder the terms:
9 + 4a = -15 + -2a

Solving
9 + 4a = -15 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
9 + 4a + 2a = -15 + -2a + 2a

Combine like terms: 4a + 2a = 6a
9 + 6a = -15 + -2a + 2a

Combine like terms: -2a + 2a = 0
9 + 6a = -15 + 0
9 + 6a = -15

Add '-9' to each side of the equation.
9 + -9 + 6a = -15 + -9

Combine like terms: 9 + -9 = 0
0 + 6a = -15 + -9
6a = -15 + -9

Combine like terms: -15 + -9 = -24
6a = -24

Divide each side by '6'.
a = -4

Simplifying
a = -4

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