10x-1=9x+8

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Solution for 10x-1=9x+8 equation:


Simplifying
10x + -1 = 9x + 8

Reorder the terms:
-1 + 10x = 9x + 8

Reorder the terms:
-1 + 10x = 8 + 9x

Solving
-1 + 10x = 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 + 10x + -9x = 8 + 9x + -9x

Combine like terms: 10x + -9x = 1x
-1 + 1x = 8 + 9x + -9x

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

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

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

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

Divide each side by '1'.
x = 9

Simplifying
x = 9

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