-4(a+5)=-a-8

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Solution for -4(a+5)=-a-8 equation: 


Simplifying
-4(a + 5) = -1a + -8

Reorder the terms:
-4(5 + a) = -1a + -8
(5 * -4 + a * -4) = -1a + -8
(-20 + -4a) = -1a + -8

Reorder the terms:
-20 + -4a = -8 + -1a

Solving
-20 + -4a = -8 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-20 + -4a + a = -8 + -1a + a

Combine like terms: -4a + a = -3a
-20 + -3a = -8 + -1a + a

Combine like terms: -1a + a = 0
-20 + -3a = -8 + 0
-20 + -3a = -8

Add '20' to each side of the equation.
-20 + 20 + -3a = -8 + 20

Combine like terms: -20 + 20 = 0
0 + -3a = -8 + 20
-3a = -8 + 20

Combine like terms: -8 + 20 = 12
-3a = 12

Divide each side by '-3'.
a = -4

Simplifying
a = -4

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