4a-5=-9

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Solution for 4a-5=-9 equation: 


Simplifying
4a + -5 = -9

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

Solving
-5 + 4a = -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 + 4a = -9 + 5

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

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

Divide each side by '4'.
a = -1

Simplifying
a = -1

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