3(6-7x)=81

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Solution for 3(6-7x)=81 equation: 


Simplifying
3(6 + -7x) = 81
(6 * 3 + -7x * 3) = 81
(18 + -21x) = 81

Solving
18 + -21x = 81

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + -21x = 81 + -18

Combine like terms: 18 + -18 = 0
0 + -21x = 81 + -18
-21x = 81 + -18

Combine like terms: 81 + -18 = 63
-21x = 63

Divide each side by '-21'.
x = -3

Simplifying
x = -3

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