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

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


Simplifying
(4a + -5) + -1(5a + 3) = 0

Reorder the terms:
(-5 + 4a) + -1(5a + 3) = 0

Remove parenthesis around (-5 + 4a)
-5 + 4a + -1(5a + 3) = 0

Reorder the terms:
-5 + 4a + -1(3 + 5a) = 0
-5 + 4a + (3 * -1 + 5a * -1) = 0
-5 + 4a + (-3 + -5a) = 0

Reorder the terms:
-5 + -3 + 4a + -5a = 0

Combine like terms: -5 + -3 = -8
-8 + 4a + -5a = 0

Combine like terms: 4a + -5a = -1a
-8 + -1a = 0

Solving
-8 + -1a = 0

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + -1a = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -1a = 0 + 8
-1a = 0 + 8

Combine like terms: 0 + 8 = 8
-1a = 8

Divide each side by '-1'.
a = -8

Simplifying
a = -8

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