-9(1-4a)=-19

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Solution for -9(1-4a)=-19 equation: 


Simplifying
-9(1 + -4a) = -19
(1 * -9 + -4a * -9) = -19
(-9 + 36a) = -19

Solving
-9 + 36a = -19

Solving for variable 'a'.

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

Add '9' to each side of the equation.
-9 + 9 + 36a = -19 + 9

Combine like terms: -9 + 9 = 0
0 + 36a = -19 + 9
36a = -19 + 9

Combine like terms: -19 + 9 = -10
36a = -10

Divide each side by '36'.
a = -0.2777777778

Simplifying
a = -0.2777777778

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