7(3+x)+2x=

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


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

Combine like terms: 7x + 2x = 9x
21 + 9x = 0

Solving
21 + 9x = 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 + 9x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 9x = 0 + -21
9x = 0 + -21

Combine like terms: 0 + -21 = -21
9x = -21

Divide each side by '9'.
x = -2.333333333

Simplifying
x = -2.333333333

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