(8x+9)+(-x+9)=

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Solution for (8x+9)+(-x+9)= equation:


Simplifying
(8x + 9) + (-1x + 9) = 0

Reorder the terms:
(9 + 8x) + (-1x + 9) = 0

Remove parenthesis around (9 + 8x)
9 + 8x + (-1x + 9) = 0

Reorder the terms:
9 + 8x + (9 + -1x) = 0

Remove parenthesis around (9 + -1x)
9 + 8x + 9 + -1x = 0

Reorder the terms:
9 + 9 + 8x + -1x = 0

Combine like terms: 9 + 9 = 18
18 + 8x + -1x = 0

Combine like terms: 8x + -1x = 7x
18 + 7x = 0

Solving
18 + 7x = 0

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 7x = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 7x = 0 + -18
7x = 0 + -18

Combine like terms: 0 + -18 = -18
7x = -18

Divide each side by '7'.
x = -2.571428571

Simplifying
x = -2.571428571

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