-9+6(1+3a)=28

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Solution for -9+6(1+3a)=28 equation:


Simplifying
-9 + 6(1 + 3a) = 28
-9 + (1 * 6 + 3a * 6) = 28
-9 + (6 + 18a) = 28

Combine like terms: -9 + 6 = -3
-3 + 18a = 28

Solving
-3 + 18a = 28

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 18a = 28 + 3

Combine like terms: -3 + 3 = 0
0 + 18a = 28 + 3
18a = 28 + 3

Combine like terms: 28 + 3 = 31
18a = 31

Divide each side by '18'.
a = 1.722222222

Simplifying
a = 1.722222222

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