-3-9a-4-4a=

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Solution for -3-9a-4-4a= equation:


Simplifying
-3 + -9a + -4 + -4a = 0

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

Combine like terms: -3 + -4 = -7
-7 + -9a + -4a = 0

Combine like terms: -9a + -4a = -13a
-7 + -13a = 0

Solving
-7 + -13a = 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 + -13a = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -13a = 0 + 7
-13a = 0 + 7

Combine like terms: 0 + 7 = 7
-13a = 7

Divide each side by '-13'.
a = -0.5384615385

Simplifying
a = -0.5384615385

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