9+4(2a-1)=

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Solution for 9+4(2a-1)= equation:


Simplifying
9 + 4(2a + -1) = 0

Reorder the terms:
9 + 4(-1 + 2a) = 0
9 + (-1 * 4 + 2a * 4) = 0
9 + (-4 + 8a) = 0

Combine like terms: 9 + -4 = 5
5 + 8a = 0

Solving
5 + 8a = 0

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + 8a = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 8a = 0 + -5
8a = 0 + -5

Combine like terms: 0 + -5 = -5
8a = -5

Divide each side by '8'.
a = -0.625

Simplifying
a = -0.625

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