-3a-(5+4a)=9

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Solution for -3a-(5+4a)=9 equation:


Simplifying
-3a + -1(5 + 4a) = 9
-3a + (5 * -1 + 4a * -1) = 9
-3a + (-5 + -4a) = 9

Reorder the terms:
-5 + -3a + -4a = 9

Combine like terms: -3a + -4a = -7a
-5 + -7a = 9

Solving
-5 + -7a = 9

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + -7a = 9 + 5

Combine like terms: -5 + 5 = 0
0 + -7a = 9 + 5
-7a = 9 + 5

Combine like terms: 9 + 5 = 14
-7a = 14

Divide each side by '-7'.
a = -2

Simplifying
a = -2

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