9x-10=10x-9

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Solution for 9x-10=10x-9 equation:


Simplifying
9x + -10 = 10x + -9

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

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

Solving
-10 + 9x = -9 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-10 + 9x + -10x = -9 + 10x + -10x

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

Combine like terms: 10x + -10x = 0
-10 + -1x = -9 + 0
-10 + -1x = -9

Add '10' to each side of the equation.
-10 + 10 + -1x = -9 + 10

Combine like terms: -10 + 10 = 0
0 + -1x = -9 + 10
-1x = -9 + 10

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

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

Simplifying
x = -1

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