8+5x+4x=-1

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Solution for 8+5x+4x=-1 equation: 


Simplifying
8 + 5x + 4x = -1

Combine like terms: 5x + 4x = 9x
8 + 9x = -1

Solving
8 + 9x = -1

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 9x = -1 + -8

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

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

Divide each side by '9'.
x = -1

Simplifying
x = -1

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