-1=8-9x

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Solution for -1=8-9x equation:


Simplifying
-1 = 8 + -9x

Solving
-1 = 8 + -9x

Solving for variable 'x'.

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

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

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

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

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

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

Divide each side by '9'.
x = 1

Simplifying
x = 1

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