9(1-6a)=-25

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Solution for 9(1-6a)=-25 equation: 


Simplifying
9(1 + -6a) = -25
(1 * 9 + -6a * 9) = -25
(9 + -54a) = -25

Solving
9 + -54a = -25

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 + -54a = -25 + -9

Combine like terms: 9 + -9 = 0
0 + -54a = -25 + -9
-54a = -25 + -9

Combine like terms: -25 + -9 = -34
-54a = -34

Divide each side by '-54'.
a = 0.6296296296

Simplifying
a = 0.6296296296

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