-1+5a-9(-2+5a)=

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Solution for -1+5a-9(-2+5a)= equation:


Simplifying
-1 + 5a + -9(-2 + 5a) = 0
-1 + 5a + (-2 * -9 + 5a * -9) = 0
-1 + 5a + (18 + -45a) = 0

Reorder the terms:
-1 + 18 + 5a + -45a = 0

Combine like terms: -1 + 18 = 17
17 + 5a + -45a = 0

Combine like terms: 5a + -45a = -40a
17 + -40a = 0

Solving
17 + -40a = 0

Solving for variable 'a'.

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

Add '-17' to each side of the equation.
17 + -17 + -40a = 0 + -17

Combine like terms: 17 + -17 = 0
0 + -40a = 0 + -17
-40a = 0 + -17

Combine like terms: 0 + -17 = -17
-40a = -17

Divide each side by '-40'.
a = 0.425

Simplifying
a = 0.425

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