(4x+7)+(x+9)=

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Solution for (4x+7)+(x+9)= equation:


Simplifying
(4x + 7) + (x + 9) = 0

Reorder the terms:
(7 + 4x) + (x + 9) = 0

Remove parenthesis around (7 + 4x)
7 + 4x + (x + 9) = 0

Reorder the terms:
7 + 4x + (9 + x) = 0

Remove parenthesis around (9 + x)
7 + 4x + 9 + x = 0

Reorder the terms:
7 + 9 + 4x + x = 0

Combine like terms: 7 + 9 = 16
16 + 4x + x = 0

Combine like terms: 4x + x = 5x
16 + 5x = 0

Solving
16 + 5x = 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 + 5x = 0 + -16

Combine like terms: 16 + -16 = 0
0 + 5x = 0 + -16
5x = 0 + -16

Combine like terms: 0 + -16 = -16
5x = -16

Divide each side by '5'.
x = -3.2

Simplifying
x = -3.2

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