9a+4(2a+5)=

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Solution for 9a+4(2a+5)= equation:


Simplifying
9a + 4(2a + 5) = 0

Reorder the terms:
9a + 4(5 + 2a) = 0
9a + (5 * 4 + 2a * 4) = 0
9a + (20 + 8a) = 0

Reorder the terms:
20 + 9a + 8a = 0

Combine like terms: 9a + 8a = 17a
20 + 17a = 0

Solving
20 + 17a = 0

Solving for variable 'a'.

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

Add '-20' to each side of the equation.
20 + -20 + 17a = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 17a = 0 + -20
17a = 0 + -20

Combine like terms: 0 + -20 = -20
17a = -20

Divide each side by '17'.
a = -1.176470588

Simplifying
a = -1.176470588

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