-(4a-9)-5a=10+a

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Solution for -(4a-9)-5a=10+a equation: 


Simplifying
-1(4a + -9) + -5a = 10 + a

Reorder the terms:
-1(-9 + 4a) + -5a = 10 + a
(-9 * -1 + 4a * -1) + -5a = 10 + a
(9 + -4a) + -5a = 10 + a

Combine like terms: -4a + -5a = -9a
9 + -9a = 10 + a

Solving
9 + -9a = 10 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
9 + -9a + -1a = 10 + a + -1a

Combine like terms: -9a + -1a = -10a
9 + -10a = 10 + a + -1a

Combine like terms: a + -1a = 0
9 + -10a = 10 + 0
9 + -10a = 10

Add '-9' to each side of the equation.
9 + -9 + -10a = 10 + -9

Combine like terms: 9 + -9 = 0
0 + -10a = 10 + -9
-10a = 10 + -9

Combine like terms: 10 + -9 = 1
-10a = 1

Divide each side by '-10'.
a = -0.1

Simplifying
a = -0.1

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