9(3+4a)=-31

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Solution for 9(3+4a)=-31 equation: 


Simplifying
9(3 + 4a) = -31
(3 * 9 + 4a * 9) = -31
(27 + 36a) = -31

Solving
27 + 36a = -31

Solving for variable 'a'.

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

Add '-27' to each side of the equation.
27 + -27 + 36a = -31 + -27

Combine like terms: 27 + -27 = 0
0 + 36a = -31 + -27
36a = -31 + -27

Combine like terms: -31 + -27 = -58
36a = -58

Divide each side by '36'.
a = -1.611111111

Simplifying
a = -1.611111111

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