3(7-6a)=111

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Solution for 3(7-6a)=111 equation: 


Simplifying
3(7 + -6a) = 111
(7 * 3 + -6a * 3) = 111
(21 + -18a) = 111

Solving
21 + -18a = 111

Solving for variable 'a'.

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

Add '-21' to each side of the equation.
21 + -21 + -18a = 111 + -21

Combine like terms: 21 + -21 = 0
0 + -18a = 111 + -21
-18a = 111 + -21

Combine like terms: 111 + -21 = 90
-18a = 90

Divide each side by '-18'.
a = -5

Simplifying
a = -5

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