7x+9=-8

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Solution for 7x+9=-8 equation: 


Simplifying
7x + 9 = -8

Reorder the terms:
9 + 7x = -8

Solving
9 + 7x = -8

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 7x = -8 + -9

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

Combine like terms: -8 + -9 = -17
7x = -17

Divide each side by '7'.
x = -2.428571429

Simplifying
x = -2.428571429

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