4-4a-5a=-5

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Solution for 4-4a-5a=-5 equation: 


Simplifying
4 + -4a + -5a = -5

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

Solving
4 + -9a = -5

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + -4 + -9a = -5 + -4

Combine like terms: 4 + -4 = 0
0 + -9a = -5 + -4
-9a = -5 + -4

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

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

Simplifying
a = 1

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