(8x+9)+(-x+-7)=

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Solution for (8x+9)+(-x+-7)= equation:


Simplifying
(8x + 9) + (-1x + -7) = 0

Reorder the terms:
(9 + 8x) + (-1x + -7) = 0

Remove parenthesis around (9 + 8x)
9 + 8x + (-1x + -7) = 0

Reorder the terms:
9 + 8x + (-7 + -1x) = 0

Remove parenthesis around (-7 + -1x)
9 + 8x + -7 + -1x = 0

Reorder the terms:
9 + -7 + 8x + -1x = 0

Combine like terms: 9 + -7 = 2
2 + 8x + -1x = 0

Combine like terms: 8x + -1x = 7x
2 + 7x = 0

Solving
2 + 7x = 0

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 7x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 7x = 0 + -2
7x = 0 + -2

Combine like terms: 0 + -2 = -2
7x = -2

Divide each side by '7'.
x = -0.2857142857

Simplifying
x = -0.2857142857

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