3(7+2x)=

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Solution for 3(7+2x)= equation: 


Simplifying
3(7 + 2x) = 0
(7 * 3 + 2x * 3) = 0
(21 + 6x) = 0

Solving
21 + 6x = 0

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 6x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 6x = 0 + -21
6x = 0 + -21

Combine like terms: 0 + -21 = -21
6x = -21

Divide each side by '6'.
x = -3.5

Simplifying
x = -3.5

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