3(3+4+x)=

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Solution for 3(3+4+x)= equation: 


Simplifying
3(3 + 4 + x) = 0

Combine like terms: 3 + 4 = 7
3(7 + x) = 0
(7 * 3 + x * 3) = 0
(21 + 3x) = 0

Solving
21 + 3x = 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 + 3x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 3x = 0 + -21
3x = 0 + -21

Combine like terms: 0 + -21 = -21
3x = -21

Divide each side by '3'.
x = -7

Simplifying
x = -7

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