3(7-6x)=21

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Solution for 3(7-6x)=21 equation: 


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

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

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

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

Solving
-18x = 0

Solving for variable 'x'.

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

Divide each side by '-18'.
x = 0

Simplifying
x = 0

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