(3x+9)+(6x+7)=

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Solution for (3x+9)+(6x+7)= equation:


Simplifying
(3x + 9) + (6x + 7) = 0

Reorder the terms:
(9 + 3x) + (6x + 7) = 0

Remove parenthesis around (9 + 3x)
9 + 3x + (6x + 7) = 0

Reorder the terms:
9 + 3x + (7 + 6x) = 0

Remove parenthesis around (7 + 6x)
9 + 3x + 7 + 6x = 0

Reorder the terms:
9 + 7 + 3x + 6x = 0

Combine like terms: 9 + 7 = 16
16 + 3x + 6x = 0

Combine like terms: 3x + 6x = 9x
16 + 9x = 0

Solving
16 + 9x = 0

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 9x = 0 + -16

Combine like terms: 16 + -16 = 0
0 + 9x = 0 + -16
9x = 0 + -16

Combine like terms: 0 + -16 = -16
9x = -16

Divide each side by '9'.
x = -1.777777778

Simplifying
x = -1.777777778

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